This Omega is 42 mm steel case with helium escape valve, transparent back, bezel with a white enamel diving scale, domed scratch-resistant sapphire crystal anti-reflective treatment on both sides, polished blue ceramic dial with laser-engraved waves and a date window at 6 o’clock, Caliber Omega 8800 self-winding movement with co-axial escapement, chronometer, date, approximately 55 hours of power reserve, steel bracelet. Water resistant to 30 bar (300 metres / 1000 feet).