The Citizen Perpetual Atomic Eco-Drive Chronograph Watch fuses style with functionality. The Citizen Perpetual Atomic Eco-Drive Chronograph is as powerful under the hood as it is to look at. This incredible timepiece features a perpetual calendar, 12/24 hour time, alarm, pilots slide rule inner bezel and radio-controlled atomic clock synchronisation for superior accuracy. This model boasts a a stainless steel case, black leather strap and a black dial with luminous hands and markers and date display. However, perhaps the most important feature is the Citizen Eco-Drive sustainable technology at its heart. It is powered by light - any light -and never needs a battery. Citizen has been a trusted name and brand leader in the watch industry for over 100 years and is known the world over for its uncompromising values - technical precision, innovative mindset, quality craftsmanship and design excellence. Grounded in the Japanese notion that elevates society above self, Citizen takes a forward-thinking, socially responsible and inclusive world view: creating quality timepieces at superior value for all citizens of the world to enjoy every minute of their time. Case Shape: Round Case Width (in cm): 43 Movement: Eco-Drive Strap Material: Leather Head Type: Buckle