Automatic chronometer movement Tudor calibre MT5652, 26 Jewels, 28800 vph bitting (approx. 4Hz), 70 hour power reserve. Black dial with luminous silver-tone hands and dot markers. Minute track around the outer rim. Date display at 3 o'clock position. Analog dial type. Fixed stainless steel bezel with black markings for 24 hours. Sapphire crystal caseback cover, scratch resistant sapphire crystal front. Stainless steel round case measuring 39 mm in diameter. Screw down winding crown. Smooth solid case back. NATO strap made from black fabric material. Water resistance to 200 meters / 660 feet depth.