Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional Diamond Bezel - Black Dial - Black Leather Strap - 215.18.40.20.01.001 Delices bezel with a silicon nitride

bezel with a silicon nitride ring and brushed OMEGA Ceragold™ tachymeter scale

18K white gold bezel set with 43 diamonds

brushed bezel with with tachymeter scale

sedna gold bracelet

hand-guilloched blue dial

Omega Planet Ocean 600M Co-Axial Master Chronometer Watch - 39.5 mm Steel Case - Unidirectional Diamond Bezel - Black Dial - Black Leather Strap - 215.18.40.20.01.001 Delices bezel with a silicon nitride39. 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, black leather strap with rubber