Citizen Promaster Sky Eco-Drive Men’s Watch (CB5009-55E)From Citizen’s Promaster Sky Collection, this radio-controlled timepiece is the perfect watch for frequent flyers and jet setters. This watch automatically adjusts to the correct time by capturing a time signal within four geographical regions: Europe, North America, China, and Japan. The watch features Eco-Drive technology, a stainless-steel brushed case with ion plating, a maroon bezel, and a black dial. Additional features include sapphire glass, perpetual calendar, alarm, stainless-steel double-push fold-over clasp with safety, and water resistance up to 200 meters.FeaturesCOLLECTION: Promaster Sky - TECHNOLOGY: Eco-Drive - CASE MATERIAL: Stainless Steel - DIAL: Black - CASE SIZE (MM): 45.9BAND: Stainless-Steel Bracelet, Push Button Buckle - GLASS: Sapphire Crystal - WATER RESISTANCE: WR200/20Bar [Swimming / Snorkeling]FUNCTIONS: Calibre E660, Radio Controlled, Perpetual Calendar, Alarm, Daylight Saving Function, Chronograph, Day & Date, 12/24 hr Time, World Time, 3-year power reserve (in power save mode)