Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Watch - 43.5 mm Steel Case - Unidirectional Blue Ceramic Bezel - Blue Ceramic Dial - 215.30.44.21.03.001 50.5 Powered by the Rolex Calibre

Powered by the Rolex Calibre 3255

characterized by three-piece solid links

forms the perfect backdrop for the index hour markers

ensures optimal readability in any lighting condition

beaded crown set with a cabochon sapphire

Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Watch - 43.5 mm Steel Case - Unidirectional Blue Ceramic Bezel - Blue Ceramic Dial - 215.30.44.21.03.001 50.5 Powered by the Rolex Calibre43. 5 mm stainless steel case with anti magnetic properties and helium escape valve, transparent back, screw in crown, unidirectional rotating blue ceramic bezel with Liquidmetal diving scale, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, blue ceramic dial, caliber 8900 self winding master co axial chronometer movement with date window at the 3 oclock, approximately 60 hours of power reserve, stainless steel