New authentic Omega Speedmaster Cosmograph (Co-Axial) Master Chronometer chronograph, case size 38mm in stainless steel and rose gold tones with brown ceramic bezel insert fixed with pavé diamonds, leather alligator strap with deployment clasp, cappuccino dial featuring luminous rose gold tone hands and hour markers including three oval sub-dials (small seconds, 30 min, 12 hr), automatic movement Caliber 3330, date function at the 6 o'clock position, water resistance to 100 meters / 330 feet, screw-in winding crown, scratch resistant sapphire crystal, solid case back.