Citizen E670-S053790 Eco-Drive Titanium Sapphire radio controlled, 200 m + F.G. strap black stainless steel + mounting kit Brand: Citizen Dial colour: Black chronograph Modello: E670-S053790 Eco-Drive Titanium Sapphire Movement: Radio-controlled Eco-Drive quartz Size: 44 mm Water resistance: 20 ATM Case: Titanium Strap: Leather/fabric Crystal: Sapphire Box: Yes Papers: Not included Case condition: Good Crystal condition: Good Strap condition: Passable This radio-wave watch features an automatic adjust reception function that changes the time and date automatically, via radio waves received twice daily, at 3:00 and 4:00 am. It also has a free reception function which allows it to change the time arbitrarily through radio waves. A time difference can also be set in 1 hour increments according to standard German time. Shipping: insured 24/48 courier