Underwater Diver|Sinn Dive Observe 40mm|Sapphire Crystal Dial Window:Encounter superior clarity by using a sapphire crystal dial window, immune to scratches and ideal for underwater use. 20Bar Drinking water Resistance:Dive with assurance as much as 20Bar, guaranteeing your check out withstands the depths of the ocean. Automated Self-Wind Movement:Keep run with https://s.click.aliexpress.com/e/_DmDJRIL