Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional Diamond Bezel - Black Dial - 215.15.40.20.01.001 '57 calibre 9300 self-winding movement with

calibre 9300 self-winding movement with column wheel mechanism and co-axial escapement for greater precision stability and durability

31mm 18K yellow gold case set with brilliant-cut diamonds

silver-toned dial with Grande Tapisserie” pattern

scratch-resistant sapphire crystal anti-reflective treatment inside

lacquered white dial

Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional Diamond Bezel - Black Dial - 215.15.40.20.01.001 '57 calibre 9300 self-winding movement with39. 5 mm stainless steel case with helium escape valve, transparent screw in back, screw in crown, unidirectional rotating bezel set with diamonds, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, black dial with Arabic numerals and a date window at the 3 oclock, caliber 8800 self winding Co Axial chronometer movement with date function, approximately 55 hours of power reserve, stainless steel bracelet. Water