Omega Seamaster Aqua Terra 150M Co-Axial Master Chronometer Watch - 34 mm Steel Case - Tahiti Mother-Of-Pearl Diamond Dial - 220.15.34.20.57.00134 mm stainless steel case, transparent back, domed scratch resistant sapphire crystal anti reflective treatment on both sides, Tahiti mother of pearl dial with a date window at 6 oclock and 11 diamond indexes in rhodium plated holders, Caliber Omega 8800 self winding movement with co axial escapement, chronometer, date, approximately 55 hours of power reserve, stainless steel bracelet. Water resistant to 15 bar (150 metres 500 feet).