Omega Watches - Speedmaster Moonphase Chronograph 39.7 mm - Stainless Steel

Omega Style No: 311.30.40.30.01.001
Omega Speedmaster Moonwatch Chronograph Calibre 321 - 39.7 mm Steel Case - Black Step Dial

39.7 mm steel case, transparent back, bezel ring in polished black ceramic [ZrO2] with the tachymeter scale in white enamel, scratch-resistant sapphire crystal with anti-reflective treatment inside, black step dial with familiar Moonwatch hands, Calibre Omega 321 manual-winding movement with chronograph and small seconds, approximately 55 hours of power reserve, steel bracelet. Water resistant to 50 metres (167 feet).