Authentic Breitling men's watch, model UB2010121B1S1. Automatic chronometer movement powered by Caliber B20 engine with 70 hours power reserve. Rose gold and polished stainless steel case in round shape measuring 42mm diameter and 14.35mm thickness. Features a scratch-resistant sapphire crystal, solid case back, and is screw-down water resistant up to 200 meters (660 feet). Includes uni-directional rotating bezel, deployment push-button foldover clasp, black dial with luminous rose gold hands and index hour markers featuring minute markers on the outer rim. Date display function.