Stainless steel case with a stainless steel bracelet. Fixed black ion-plated bezel with tachymeter. Black dial with luminous hands and stick hour markers. Minute markers around the outer rim. Luminescent hands and dial markers. Date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 seconds, 30 minutes and 12 hours. Automatic movement with 44 hour power reserve. Scratch resistant anti-reflective sapphire crystal. Steel crown. Solid case back. Case diameter: 40 mm. Case thickness: 14 mm. Push button deployment clasp. Water resistant at 100 meters / 330 feet. Functions: hours, minutes, seconds, calendar, chronograph, tahcymeter. Omega Speedmaster Date Men's Watch 3210.50.