Citizen Perpetual calendar watch – utter sophistication and beauty. This watch is the classic sports watch with brushed and polished stainless steel case. Featuring a scratch resistant Mineral crystal and screw back case that is water resistant to 100m. Citizens proprietary Eco-drive technology (charges from any light source) ensures you will never have to change a battery. Perpetual calendar automatically adjusting to leap years and odd/even months your watch will be accurate to 2100!. The watch case is 47mm diameter by 12mm thick and features brown leather strap and buckle. Its luminous silver-tone hands and markers are accented by the brown dial. 12/24 hour sub dial and daily alarm feature. Date window at the 4 oclock position. Features a rotating inner bezel and a uni directional rotating elapsed time dial. The stop-watch function measures up to 1 hour in 1/20th second increments. With this watchs unique low charge indicator window it automatically goes into a power saving mode to reserve its charge when there is no light – up to 9 months.