Seiko Prospex Mens Divers Watch (SRP777K1F). Caliber 4R36 automatic movement with 41 hours power reserve. Lumibrite hands and markers. Black dial with index hour markers, and day/date display window at the 3 o`clock position. Black uni-directional bezel set on a 45mm stainless steel case. Scratch resistant Hardlex crystal with a solid case-back. Water resistant to 200 meters. Black rubber strap with a tang-style buckle.