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flagProduct From India  
new | Citizen Analog Black Dial Men's Watch-BM7107-50E
Brand : Citizen
new | Citizen Analog Black Dial Men's Watch-BM7107-50E
Brand : Citizen
Product Specifications
Batteries1 AAA batteries required. (included)
Is Discontinued By ManufacturerNo
Product Dimensions0.2 x 2.1 x 0.2 cm; 136.08 Grams
Date First Available29 January 2019
ManufacturerCitizen Watches
ASINB07MGH9XXF
Item model numberBM7107-50E
Departmentmen
Item Weight136 g
Item Dimensions LxWxH2 x 21 x 2 Millimeters
Generic Namewatch
Band ColourMulticolor
Band MaterialStainless Steel
Band Width21 Millimeters
Bezel MaterialStainless Steel
BrandCitizen
Calendar TypeDate
Case Diameter40 Millimeters
Case MaterialStainless Steel
Case Thickness10 Millimeters
Dial ColourBlack
Crystal MaterialSapphire
Display TypeAnalog
Case ShapeRound
Item Weight136 Grams
Model NumberBM7107-50E
Part NumberBM7107-50E
Special FeaturesWater Resistant
MovementLight Powered
Water Resistance Depth100 Meters
WarrantyIf 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.
Best Sellers RankSee Top 100 in Watches
Case diameter40 Millimetres
Band colourMulticolor
Band material typeStainless Steel
Watch movement typeLight Powered
Item weight4.8 Ounces
Case thickness10 Millimetres
Product Details
Dial Color: Black, Case Shape: Round, Dial Glass Material: Sapphire
Band Color: Multi-Colour, Band Material: Stainless Steel
Watch Movement Type: Light Powered, Watch Display Type: Analog
Case Material: Stainless Steel, Case Diameter: 41 millimeters, Stainless Steel Bezel
Water Resistance Depth: 100 meters
Ideal for birthday, anniversary and wedding gift
Product Ranking
#19794 in Men's Wrist Watches
#37671 in Watches
Product Description
Eco-Drive technology recharged by any light source, no need to change battery, 3 Hand, 3 Hand with Date,
Product Description
Eco-Drive technology recharged by any light source, no need to change battery, 3 Hand, 3 Hand with Date,

From the manufacturer

Eco-Drive Technology How it works

Powered by Light.

THE WATCH THAT NEVER STOPS, WHEREVER YOU ARE.

Inventing technology to ensure that a watch never stops anywhere in the world was one of the challenges for CITIZEN. In 1976, we invented the world’s revolutionary light-powered analog quartz watch that uses only light as a power source. This technology, now known as “Eco-Drive”, can generate power from any light source, artificial, natural and even dim light to keep watches running without ever replacing batteries. As a pioneer of the field, we set new challenges for ourselves to bring forth the full potential of power generation using light.

Eco-Drive

What is Eco-Drive?

Eco-Drive is designed to convert both natural and artificial light into energy to power watches. Watches with Eco-Drive do not require any battery replacement, charging or winding to maintain constant operation.

CITIZEN's proprietary light-powered technology Eco-Drive is an exceptional technological achievement that also reflects our concern for the natural surroundings. The name and logo display our commitment to building a brand for people all over the world.

CITIZEN's Eco-Drive technology has won acclaim in Japan for its contribution to environmental protection. Eco-Drive watch was nominated as the first watch to qualify for the Eco Mark, a label managed by the Japan Environment Association (JEA).

How it Works

  • Natural and artificial lights are absorbed through the crystal and dial
  • A special solar cell converts the natural and artificial lights into electrical energy
  • Enough energy is stored to power the watch, even in the dark, for approximately 6 months or longer

Eco-Drive Powered by Light

Eco-Drive Powered by Light

Eco-Drive Powered by Light

No need for regular battery replacement

Once upon a time, everyone accepted that quartz watches had to have their batteries replaced at regular intervals. But the advent of Eco-Drive overturned the conventional thinking. Eco-Drive is a light-powered technology that drives watches by capturing light and converting it into energy using an inbuilt solar cell. Suddenly the hassle of replacing batteries was a thing of the past.

Runs even in dim light

Eco-Drive is designed to charge from ordinary everyday light sources like indoor fluorescent lighting and desk lights. You can go about your everyday life confident that your watch will never stop.

* To get the most out of your watch, set aside about five or six hours per month to charge it in sunlight.

Runs for over six months even in darkness

Do you need light to generate power for your watch all the time? Not with Eco-Drive. A single full charge is enough to keep Eco-Drive working for over six months in total darkness. Indeed, some models equipped with power save function can run for as long as seven years.

* Some models run for less than six months.

About Brand

CITIZEN WATCH is a true manufacture d'horlogerie with a comprehensive manufacturing process that extends from creating a watch’s individual components to its final assembly. The company operates in more than 140 countries around the world. Since its founding in 1918, CITIZEN has held the belief of “Better Starts Now” — that is, no matter who you are and what you do, it is always possible to make something better, and now is the time to start doing it. Sharing this belief, we have made watches, invented and improved technologies and explored the future of watches such as our proprietary light-powered Eco-Drive technology and state-of-the-art satellite-synchronized timekeeping. As a “citizen of the world” we bear the responsibility to help cultivate positive change and on-going evolution to our craft. For over 40 years, CITIZEN’s Eco-Drive technology has served as the prime example of how the brand is dedicated to making the world and its environment a better place. A simple yet revolutionary concept, Eco-Drive harnesses the power of light from any natural or artificial light source and converts it into energy. Using a renewable natural resource instead of filling our landfills with discarded watch batteries