Two-tone (silver-tone and rose gold-tone) stainless steel & sedna gold case with a two-tone (silver-tone and rose gold-tone) stainless steel & sedna gold bracelet. Black ceramic bezel. Rose gold dial with rose gold-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Chronograph - three sub-dials displaying: 60 second, 30 minute and 1/10th of a second. Omega Calibre 3861 Hand Wind movement, based upon Lemania 1873, containing 26 Jewels, bitting at 21600 vph, and has a power reserve of approximately 50 hours. Scratch resistant sapphire crystal. Transparent see through case back. Round case shape, case size: 42 mm, case thickness: 13.2 mm. Fold over clasp with a safety release. Water resistant at 50 meters / 165 feet. Functions: chronograph, hour, minute, second. Speedmaster Series. Dress watch style. Watch label: Swiss Made. Omega Speedmaster Chronograph Hand Wind Mens Watch 310.20.42.50.99.001.