Stainless steel case with a leather strap. Fixed bezel. Black dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date subdial display at the 12 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Manua-winding movement. Anti reflective scratch resistant sapphire crystal. Screw down crown. Skeleton transparent exhibition see through case back. Case diameter: 42 mm. Case thickness: 14 mm. Round case shape. Band width: 20 mm. Push button deployment clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, date, hour, minute, second. Casual watch style. Watch label: Swiss Made. Omega Speedmaster Moon Phase Men's Watch 3876.50.31.