READ THE DESCRIPTION PLEASE *The central crown is missing. See last photo. * I NEVER used the watch. bought to gift someone and after few weeks on gifting day realized that the central crown was missing. by that time return period was gone. Amazon didn’t accept the return so had to keep it. Never saw it working because crown was needed to setup the watch. If you know how to fix or get it fixed. then it’s a great watch. new costs $650 ABOUT WATCH Citizen Eco-Drive Radio-Controlled Chronograph World Timer; Blue Angels edition with caseback insignia. Atomic time in 26 world cities; radio-controlled accuracy in 5 zones. 1/20 second chrono measures up to 60 minutes, perpetual calendar, 12/24 hour time, power reserve, non-reflective sapphire crystal. Stainless steel with blue ion plating. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number H800