Citizen Eco-Drive is fueled by light, it never needs a battery. Eco-Drive it's unstoppable. Eco-drive technology harnesses the power of light from any light source. Both natural and artificial light are absorbed through the crystal and the dial, than a special solar cell converts light and stores it as energy. The cell recharges continuously in any kind of light. It runs for at least six months even in the dark.
The watch case emaploys a s/steel base offering superior corrosion resistance, light weight and high strength, while the surface is specially treated for high hardness and enhanced scratch resistance. The rotating bezel, which is importantfor checking diving time, employs a reverse rotation prevention mechanism that prevents the rotating bezel from being rotated inadvertently in the wrong direction. The solar power generation function transforms solar energy into electrical energy to run the watch. Since solar energy is used as the power source of this watch, it has no need of regular replacement of the battery unlike the general diver's watches using the mercury cell, etc.
The screw down locking crown is securely locked in position through the use of ascrew-locking mechanism, the use of three O-rings results in enhanced air tightness and water resistance. Furthermore, the screw down locking crown is located at the 9:00 position to prevent it from obstructing movement of the wrist or wetsuit.
The Professional Diver is water resistant to 999' (300 Meters), is designed for mixed gas diving enthusiast. Watch has a reinforced urethane wrist band and extender for easy wearing over your exposure suit. Watch is equipped with a 6mm non-reflective curved crystal for ease of reading, a three day low charge warning, is accurate within +/- 15 seconds per month and comes with a carry case. Watch purchase includes the five year US warranty.
Fully charging the watch with an overhead office light is usually insufficient, to achieve a full charge from a completely depleted power reserve, however, office light is sufficient for keeping the watch continually charged. It is recommended to use natural outdoor light, or recharge indoors with an incandescent (3,000 Lux) bulb 20" away from the watch in 105 hours, outdoors, cloudy (10,000 Lu x) 33 hours and outdoors, sunny (100,000 Lux) in 9 hours.
The Citizen Men's Eco-Drive Professional Diver Watch, Black Dial is most used by customers who consider themselves to be a Athletic, Practical among others. One reason why the Citizen Men's Eco-Drive Professional Diver Watch, Black Dial is popular is because of its Stylish.
This product has a limited warranty of 60 months.