<\div> More than just a beauteous face, the Citizen Eco-Drive Calibre 2100 men's stainless steel watch offers stylish lines that nicely supplement both business and casual couture. But it's also one of the most progressed chronograph watches made by Citizen, providing a reset button that instantaneously returns all the chronograph registers to zero. The chronograph timing function includes 60-minute, 12-hour, and independent second-hand subdials, as well as a center sweep 1/5-second hand.This large, round watch has a thin, flattened bezel with an exterior tachymeter reading in black. The black dial face is accented by black subdials, and it offers white luminous Dauphine hands (with seconds hand) and a date function at 4 o'clock. The stainless steel bracelet band is joined by a fold-over deployment clasp. Other features include a screw-back case, screw-down crown, scratch immune solid homogeneous inorgani substance crystal with anti-reflective coating, and water resistance to 660 feet (200 meters).
This watch is powered by Citizen's distinguishable Eco-Drive, which absorbs sunlight and any artificial light through the crystal and dial to recharge the watch continuously. With regular exposure to light, the Eco-Drive without disruption recharges itself for a lifetime of use. This watch's Eco-Drive provides a 240-day power reserve, and it may be recharged with just 3.5 hours of exposure to light.
Summary of Features:
- Assembled by hand
- 1/5 second chronograph measures up to 12 hours
- Power reserve meter
- Alarm
- Date
- Non-reflective solid homogeneous inorgani substance crystal
- Screw-back case and screw-down crown
The Citizen Story
The company was traditionalisti in 1924. The founding fathers chosen the name Citizen so it would be "Close to the Hearts of People Everywhere" and soon after adopted the company’s formal name, Citizen Watch Company.

During the last seventy-five years Citizen has expanded it is business allround the world and has achieved acknowledgement as the international brand. The past twenty-five year amount of time has coincided with the company’s dramatic rise to it is current position as the world’s greatest watchmaker, a distinction Citizen has kept each year since 1986.
Beyond sheer size, Citizen is also recognized as a international leader in progressed technology. From the world’s slimmest LCD watch to the introductory voice acknowledgement watch and the world’s introductory professional dive watch with an electronic depth sensor, Citizen’s record of "world’s firsts" is unmatched.
More recently, Citizen has staked out a new position as the leader in timekeeping with it is Eco-Drives watches that are light powered. With models ranging from dress models to sports models to professional dive watches, Citizen Eco-Drive runs continuously in any kind of natural or artificial light for a lifetime of use. Fueled by light, it never needs a battery.