Citizen Eco-Drive Corso Quartz Mens Watch, Stainless Steel, Classic, Silver-Tone (Model: BM7100-59E)

4.8 4.8 out of 5 stars 1,150 ratings

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Product specifications

Watch Information
Brand, Seller, or Collection Name Citizen
Model number BM7100-59E
Part Number BM7100-59E
Model Year 2011
Item Shape Round
Dial window material type Sapphire Crystal
Display Type Analog
Clasp Push Button Foldover Clasp With Safety
Metal stamp no-metal-stamp
Case material Stainless Steel
Case diameter 41 millimeters
Case Thickness 10
Band Material Stainless Steel
Band size 7.5 inches
Band width 22
Band Color Silver
Dial color Black
Bezel material Stainless Steel
Bezel function Stationary
Calendar Date
Special features Water Resistant
Item weight 4.96 ounces
Movement Japanese Quartz
Water resistant depth 330 Feet
Warranty If this product is sold by Amazon, please review the manufacturer’s website for warranty information. If this product is sold by another party, please contact the seller directly for warranty information for this product. You may also be able to find warranty information on the manufacturer’s website.

Product Description

This Classic Men's Eco Drive watch features a textured dial, sapphire crystal and date.

Since its foundation in 1930, CITIZEN has promoted a multi-cultural mindset that fosters excellence and creativity. The very name of the brand conveys a deep respect toward craftsmanship and considered as familiar by citizens the world-over. So as a “citizen” of the world, we bear the responsibility to help cultivate a culture of positive change and on-going evolution through our craft. We take that mission seriously and steadfastly welcome what the future may bring.

As a true manufacture d’horlogerie, CITIZEN integrates a comprehensive manufacturing process from creating individual components to a watch’s final assembly. It’s an artisan’s approach to watch making based on pushing forward the boundaries of technology and leveraging our experience toward exploring new possibilities.

One pivotal technological breakthrough was the development of a light-driven watch. CITIZEN pioneered this engineering innovation well ahead of other watch manufacturers as early as 1976, which led to the launch of the highly acclaimed Eco-Drive in 1995. Utilizing electrical power converted from virtually any light source, this extraordinary innovation changed forever the way watches could be powered. Eco-Drive eliminated the need to ever replace batteries, which made it especially beneficial to areas where such specialist batteries were not obtainable. This leveled the field for citizens of virtually every country to be able to experience unrestricted joy of wearing and using a CITIZEN watch.

The product development policy, “The Fusion of Technology and Beauty,” remains a constant motivation for us to merge cutting-edge technology with perfection of design beauty, which as a consequence inspires people to strive to be their best at any time.

CITIZEN launches a new campaign in collaboration with Wieden+Kennedy, Better Starts Now. This is the simple belief that no matter who you are or what you do, it is always possible to make something better — and now is the time to start doing it. We believe that better and now are both infinite, and that there is always a next ‘better’ and a new ‘now’ in which you can start pursuing it. It was clear from the onset of this project that we are dedicated to this ideal…not to the past but to the present, and all the way we can improve it. To help communicate this belief to the world we have created a new global CITIZEN brand movie, brand identity and brand website that represents out Better Starts Now philosophy.

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 5.12 x 5.12 x 5.12 inches; 4.96 ounces
  • Item model number ‏ : ‎ BM7100-59E
  • Department ‏ : ‎ mens
  • Date First Available ‏ : ‎ January 17, 2011
  • Manufacturer ‏ : ‎ Citizen
  • ASIN ‏ : ‎ B004JKBEUM
  • Customer Reviews:
    4.8 4.8 out of 5 stars 1,150 ratings

Looking for specific info?


From the manufacturer

BM7100-59E

ecodrive

ecodrive

ecodrive

ecodrive

Eco-Drive | Purposeful Power

The sustainable way to power your watch—no batteries required. Citizen’s proprietary Eco-Drive technology powers your watch using the most renewable energy: light.

Light to Energy

Uses a renewable natural resource by converting any natural or artificial light to energy, which is then stored in a permanently rechargeable lithium-ion cell.

Energy Storage

Keeps surplus energy in a rechargeable power cell. Designed to charge not just from the sun, but also from everyday light sources like indoor fluorescents and desk lamps.

Recharges Continuously

Runs for months—even in darkness—with no need for regular battery replacement, so your watch can run forever and you never have to worry about it stopping.

BM7100-59E

BM7100-59E

BM7100-59E

BM7100-59E

3 Hand, Date

Luminous Hands and Markers

Sapphire Crystal

100M Water Resistance

Customer reviews

4.8 out of 5 stars
4.8 out of 5
1,150 global ratings

Customers say

Customers like the appearance, quality and value of the watch. For example, they mention it's a very good-looking watch with a subtle design on the face that catches the light. Some appreciate the battery, performance, and weight. That said, opinions are mixed on readability, and adjustability.

AI-generated from the text of customer reviews

188 customers mention182 positive6 negative

Customers like the appearance of the watch. They say it has a subtle design on the face that catches the light and gives it a nice, attractive look. The NATO and leather straps look great on the watch and make it very lightweight. The extra face size and clean, uncomplicated look are matched against a dark grey. The watch is straightforward but has some nice touches, like the angle on the lugs. The sturdy, great size, and a cool pattern in the center of the face just, catches light with a beautiful blue hue. Customers also mention that the watch has a classic, sporty bracelet-watch design.

"...DesignClean and straightforward but with some nice touches, like the angle on the lugs or the protection around the crown...." Read more

"...If you are looking for a beautiful watch that is accurate, durable, and relatively inexpensive, you cannot go wrong with this Citizen ECO." Read more

"...With a band with of 22mm, there are no shortage of outstanding band options. Dress it how you see fit. Which leads to my next point...-..." Read more

"...There is a subtle design on the face that catches the light and gives the watch a bit of elegance and style...." Read more

116 customers mention105 positive11 negative

Customers are satisfied with the quality of the watch. They mention that it is well-built, reliable, and keeps excellent time. They also appreciate the exceptional workmanship and the fact that it looks like brand new.

"...QualityThe finish on the case, dial and bracelet is really good. A sapphire glass is a wonderful feature at this price point...." Read more

"...The overall quality and workmanship of this Citizen Eco is exceptional and comparable to many watches that cost 2-3 times as much, or more, and this..." Read more

"...It's easy to tell the time at a glance, but the luminescence doesn't last very long if it hasn't been exposed to a bright light source recently..." Read more

"...Sapphire crystal gives me peace of mind. The build seems really solid...." Read more

68 customers mention68 positive0 negative

Customers appreciate the value of the watch. They say it's a beautiful watch for the price, and the sapphire crystal is a great value.

"...looking for a beautiful watch that is accurate, durable, and relatively inexpensive, you cannot go wrong with this Citizen ECO." Read more

"...guy ranges between $120-$180 dollars, and I truly think it is worth every dollar. I own far more expensive pieces, and I still enjoy wearing this...." Read more

"...If you are in the market for a good, versatile watch at great price, you don't need to look any further." Read more

"This watch has good specs for the price (around $150), with Eco-drive and a sapphire crystal...." Read more

30 customers mention30 positive0 negative

Customers like the battery of the watch. They mention that it runs completely by solar power and that it'll never need a battery. Some say that the watch has never failed.

"...of light, charges the battery and keeps it running and the power reserve is incredible, according to the Citizen user guide: "fully charged it will..." Read more

"...Just charge this bad boy up for a handful of hours, and it's fully powered. This watch has very little features, and I love that...." Read more

"...If you're looking for a functional, versatile watch that is solar powered, then this is a great choice!..." Read more

"...The watch face is a charcoal gray. The fact that it is solar-powered is incredible--I love not changing a battery...." Read more

29 customers mention29 positive0 negative

Customers are satisfied with the performance of the watch. They mention that it functions well, it's cheap, and it has never had any operational issues. Some say that the eco-drive watches work well and are simple and classic. Overall, most are happy with their purchase and recommend it to others.

"...I know that opinions vary widely on this, but the lume seems excellent to me...." Read more

"...If you're looking for a functional, versatile watch that is solar powered, then this is a great choice!..." Read more

"The watch is beautiful and works like it should...." Read more

"...It works well as an everyday piece that can be worn in business casual or casual settings...." Read more

28 customers mention21 positive7 negative

Customers like the weight of the watch. They say it's not too bulky, not too heavy, and substantial without being hefty. The watch is slim at 10 mm thick, and it'll fit nicely on their wrist. Customers also mention that the weight is easy to get used to.

"...BraceletThe bracelet strikes a good balance - it's substantial without being hefty...." Read more

"...It's nice and slim at 10 mm thick, meaning you aren't wearing a hockey puck on your arm. It can slide nicely under a dress shirt shirt or suit...." Read more

"...The case lays nicely on your wrist and is not too tall or bulky...." Read more

"...The only negative is the watch band. It is light weight and feels of a lesser quality. The latch is also pretty noisy...." Read more

66 customers mention35 positive31 negative

Customers are mixed about the readability of the watch. Some mention that the display is one of the easiest to read of any watch they have had, making it easy to read the time even when they don't have their reading glasses. However, others say that the date is a little hard to see and difficult to read at some angles.

"...Here are my observations:DesignClean and straightforward but with some nice touches, like the angle on the lugs or the protection..." Read more

"...When the watch arrived, it didn't have a manual, the box was loose and there was lint in it and the plastic on the band was coming off...." Read more

"...No fancy complications, no extras. It is just a simple, well made watch. I wish more companies did this these days...." Read more

"...The only real issue for me is that it's difficult to read the date at some angles." Read more

61 customers mention38 positive23 negative

Customers are mixed about the adjustability of the watch. Some mention that the size of 40ish mm is pretty universal for men, and it fits right in. However, others say that there is no micro-adjustment on the band, so it can only be sized in whole. Some say that the watch band is big enough for them, while others say it was too tight.

"...I love the size. With a case size of 40ish mm, it's a pretty universal size for men, assuming you don't have tree trunks for wrists...." Read more

"...The band is very comfortable and has relatively small links that help contour to your wrist and will let you fine-tune the fit a bit better...." Read more

"...For example, once I got the size close, it was still too tight; taking out one full link (9mm) was not enough, taking out a full and a half (15mm)..." Read more

"...It is classy, goes with so many outfits, and looks great. It is not too big and not too small. The watch face is a charcoal gray...." Read more

Exudes quality ... and keeps great time!
5 Stars
Exudes quality ... and keeps great time!
I am delighted with this watch. My "good" (i.e. Swiss mechanical) watch is a Seamaster 120 (36.5mm case) and I was starting to think about wearing it a bit less, both to preserve it and because I have to grudgingly admit it is a bit on the small side by current standards. So I started to look around for something a bit bigger and with a black dial (and lume) for regular but not necessarily daily wear. I generally dislike watches with numbered hours (seriously, what's the point, unless you are learning to tell the time ... or want other people to think you are?) - so that considerably reduces the options. After thinking hard about some of the Seiko automatics I went with this for the following reasons:* I've had another Eco-Drive for almost two years and I like the system. Like a mechanical automatic, it's an energy scavenger, and that appeals to me much more than a battery-eater.* The cheaper Seikos don't permit handwinding, so unless you know you'll be wearing them all day every day, you will be setting them very frequently, which with day and date is a bit of a chore. In any case I don't want or need the day displayed on my watch. I can't understand why Seiko put day and date on 99% of their models. Sometimes less is more!Here are my observations:DesignClean and straightforward but with some nice touches, like the angle on the lugs or the protection around the crown.The case, having normal lugs, will also accept a nylon, silicone or leather strap of your choice, unlike some other models which have an integrated bracelet.QualityThe finish on the case, dial and bracelet is really good. A sapphire glass is a wonderful feature at this price point.BraceletThe bracelet strikes a good balance - it's substantial without being hefty. It does make a little noise as it moves but not too much, and not that tinny sound that you get from folded links. All the links including the end links are solid here and the removable links (of which there are plenty) are held by split pins.Water ResistanceBy turning the crown I can tell from the extra resistance (compared to my BM7193) that there are some fairly serious o-rings in there and I wouldn't hesitate to swim, snorkel or scuba with this in a pinch.LumeI know that opinions vary widely on this, but the lume seems excellent to me. I can read the time all through the night, and even into the early morning when it's starting to get light outside and I can make out shapes in the bedroom. Bear in mind that it's a very grey and rainy December here in the PNW and daylight is in short supply. Yet even without deliberately 'charging' the dial, it's legible all night long. The only way it could be better would be if there was an extra dot at 12; because all the hours look the same it is possible to misread the time - especially if you are sleepy and/or don't pick up the watch.AccuracyIn its first two weeks, the watch has gained under 1.5 seconds. That is better than my Rolex Oysterquartz could manage when it was brand new. And unlike that one, which ticked very loudly, this is inaudible unless you hold the watch next to your ear in a very quiet room. The seconds hand lines up quite well with the minute markers and its jumping movement has a nice quality which could be described as 'fast but not too fast'.Summary$150 might seem like a lot of money for an uncomplicated quartz watch, but I believe you do get what you pay for, and that includes the 6-year warranty, which is exceptional, as well as a rather decent bracelet. These movements can be serviced - Citizen publishes technical manuals which include lubrication points - so they are not simply low-end disposable units. I would not be surprised if this were to tick on for several decades before needing any attention.
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Top reviews from the United States

Reviewed in the United States on December 16, 2018
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5.0 out of 5 stars Exudes quality ... and keeps great time!
Reviewed in the United States on December 16, 2018
I am delighted with this watch. My "good" (i.e. Swiss mechanical) watch is a Seamaster 120 (36.5mm case) and I was starting to think about wearing it a bit less, both to preserve it and because I have to grudgingly admit it is a bit on the small side by current standards. So I started to look around for something a bit bigger and with a black dial (and lume) for regular but not necessarily daily wear. I generally dislike watches with numbered hours (seriously, what's the point, unless you are learning to tell the time ... or want other people to think you are?) - so that considerably reduces the options. After thinking hard about some of the Seiko automatics I went with this for the following reasons:

* I've had another Eco-Drive for almost two years and I like the system. Like a mechanical automatic, it's an energy scavenger, and that appeals to me much more than a battery-eater.
* The cheaper Seikos don't permit handwinding, so unless you know you'll be wearing them all day every day, you will be setting them very frequently, which with day and date is a bit of a chore. In any case I don't want or need the day displayed on my watch. I can't understand why Seiko put day and date on 99% of their models. Sometimes less is more!

Here are my observations:

Design
Clean and straightforward but with some nice touches, like the angle on the lugs or the protection around the crown.
The case, having normal lugs, will also accept a nylon, silicone or leather strap of your choice, unlike some other models which have an integrated bracelet.

Quality
The finish on the case, dial and bracelet is really good. A sapphire glass is a wonderful feature at this price point.

Bracelet
The bracelet strikes a good balance - it's substantial without being hefty. It does make a little noise as it moves but not too much, and not that tinny sound that you get from folded links. All the links including the end links are solid here and the removable links (of which there are plenty) are held by split pins.

Water Resistance
By turning the crown I can tell from the extra resistance (compared to my BM7193) that there are some fairly serious o-rings in there and I wouldn't hesitate to swim, snorkel or scuba with this in a pinch.

Lume
I know that opinions vary widely on this, but the lume seems excellent to me. I can read the time all through the night, and even into the early morning when it's starting to get light outside and I can make out shapes in the bedroom. Bear in mind that it's a very grey and rainy December here in the PNW and daylight is in short supply. Yet even without deliberately 'charging' the dial, it's legible all night long. The only way it could be better would be if there was an extra dot at 12; because all the hours look the same it is possible to misread the time - especially if you are sleepy and/or don't pick up the watch.

Accuracy
In its first two weeks, the watch has gained under 1.5 seconds. That is better than my Rolex Oysterquartz could manage when it was brand new. And unlike that one, which ticked very loudly, this is inaudible unless you hold the watch next to your ear in a very quiet room. The seconds hand lines up quite well with the minute markers and its jumping movement has a nice quality which could be described as 'fast but not too fast'.

Summary
$150 might seem like a lot of money for an uncomplicated quartz watch, but I believe you do get what you pay for, and that includes the 6-year warranty, which is exceptional, as well as a rather decent bracelet. These movements can be serviced - Citizen publishes technical manuals which include lubrication points - so they are not simply low-end disposable units. I would not be surprised if this were to tick on for several decades before needing any attention.
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46 people found this helpful
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Reviewed in the United States on June 22, 2014
117 people found this helpful
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Top reviews from other countries

Nick K
5.0 out of 5 stars Affordable, well designed, great quality everyday watch
Reviewed in Canada on December 18, 2016
Customer image
Nick K
5.0 out of 5 stars Affordable, well designed, great quality everyday watch
Reviewed in Canada on December 18, 2016
Firstly, I want to mention that I have owned several automatic and quartz watches in the past few years, this is not my first watch nor watch review.
What drew me to this watch was the design, especially the hands of the watch, which are reminiscent of the ones found on an earlier versions of the Omega SP.. The fact that it comes with a sapphire crystal and eco drive technology just made it a even a better deal, considering the price. As with every watch, the pictures don't do it justice. The quality can be felt once it's in your hands.

The case and band: The watch has 41mm case, which is the ideal size for today's standards for a men's watch. It's also quite thin at 10mm which I definitely like as it slides easily under a shirt cuff. These dimensions and the curved case that hugs your wrist, contribute to a very comfortable fit and wear. The case is made of brushed steel, except for the bezel which is polished. Also polished are the center links on the bracelet and the caseback. The band links appear to be solid, however the end links, although they have solid end links design, I'm under the impression that they might be hollow inside, as they are extremely light when you remove it and hold it in hand (I might be wrong on this one but that's my observation from comparing the end links with the solid band links).The clasp is generic stamped steel, I would've linked to see better machined clasp to compliment the rest of the quality of the watch. The band has more than average rattle, mostly likely because of the multiple links on it.

The dial: The dial is comprised of three different sections; the center section has a pattern that under certain light conditions reflects reddish/brownish color. The next layer is a glossy very dark, almost black finish, where all the hour markers are placed on; and the last is the outer circle with the minute markers, which is black. I would have preferred to have the whole dial be of the same pattern on simple black glossy finish. The date window is really small and the date wheel is pushed in, making it hard to tell the date at a glance. I would have preferred a black date wheel with white numerals, and also it should be about 50% larger. The date window is not framed with silver, just with white printed border. Also I would've liked to have applied Citizen logo on top and not just printed. Also, the 12 o'clock hour marker is the same as all other hour indices and not double as most watches have.The crown is a decent size and the crown guards are a welcome addition.

Crystal: The crystal. although stated as non-reflective sapphire, I'll have to say that there is non AR (anti-reflective) coating on it, and the glass is highly reflective under light. AR coating would've improved the legibility of the dial, but you can't have it all at this price point.

The movement: This is a battery operated quartz watch. Eco is just the patented term Citizen uses for solar powered; the battery charges from a light source. If this is your everyday watch, it will always get enough light to keep it running virtually forever. Being a quartz, it lacks the satisfaction you gain from wearing a mechanical/automatic watch, where there are hundreds of small parts working together to make the watch "tick", and also that smooth, sweep second hand that is wonderful to look at, especially on the higher end Swiss timepieces.
The hands are illuminated, as are the hour markers but not with as much lume as on the hands. The hands seem to be visible throughout the night.

Overall, this is a fairly decent watch, with good build quality, with only a few drawbacks, mainly the date window. Having said that, I wouldn't pay more than $200 for it. If you can get it on sale for about $150, it's a great deal. If you are looking for an accurate "grab and go" everyday watch with a great design, look no further.

Update Nov 21, 2017
I initially sold the watch to get Seiko automatic, but after seeing this go on a flash sale, had to get it again. I appreciate it even more this second time around. The fit and finish is second to none. Sits extremely comfortable and low on the wrist. The half links provided allow for an exact adjustment to fit any wrist size. The seconds hand hits the minute markers spot on. After wearing 38mm watch, this 41mm feels much more masculine and has a great wrist presence with just the right amount of bling on the case and bracelet. Timeless design, coupled with the eco-drive technology should make it last for a long time.
The watch comes with unmatched five years warranty, but as the included paperwork indicates, if you register it online, you get an additional one year warranty for a total of six years! Outstanding! Seiko provides only 1 year warranty, anything goes bad mechanically after that, you end up with a minimum of $100 bill to cover for repairs.
Excellent watch in every regard, buy it, you'll love it!
Changing my 4 star rating to 5.
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Terry Everton
5.0 out of 5 stars Fantastic Value and Great for a One-Watch Collection
Reviewed in Canada on March 20, 2018
13 people found this helpful
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Reviews by me
4.0 out of 5 stars Nice all around neutral watch
Reviewed in Canada on October 20, 2021
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Reviews by me
4.0 out of 5 stars Nice all around neutral watch
Reviewed in Canada on October 20, 2021
I like this as my everyday watch

Pros :It's a nice all around watch, very neutral, goes with everything and it's not too flashy. The band looks nice but......

Cons: the band is loud, and it's not the greatest citizen band I've worn. There's no band adjustments at the clasps. I'm stuck between taking another link off (too tight) or keeping it as is ( feels little too loose). The date window is a little small. The hands aren't as luminous as other citizen watches I own.
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Travis Head
5.0 out of 5 stars Can't miss!
Reviewed in Canada on February 3, 2023
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Travis Head
5.0 out of 5 stars Can't miss!
Reviewed in Canada on February 3, 2023
I am thoroughly impressed by this watch. I love the Eco-Drive watches and will definitely be adding some other Citizen watches to my collection. This watch looks cool, easy to read and keeps great time. I like the way it feels and the weight is perfect. I have a good sized wrist so the case diameter works for me. The lume seems decent, although I don't have another watch to compare it too right now. I wouldn't hesitate to buy this watch again. The price point and value is unbeatable for this watch. Shipping was very fast.
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Steven
5.0 out of 5 stars Great every day watch.
Reviewed in Canada on January 10, 2023