Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Watch - 43.5 mm Steel Case - Unidirectional Black Ceramic Bezel - Black Ceramic Dial - Black Leather Strap - 215.33.44.21.01.001 5-Stripe self-winding chronometer Omega 2500 movement

self-winding chronometer Omega 2500 movement with Co-Axial Escapement

white mother-of-pearl dial with Roman numerals and index hour markers

blue dial with roman numeral hour indexes

25 mm 18K yellow gold case

Omega Planet Ocean 600 M Omega Co-axial Master Chronometer Watch - 43.5 mm Steel Case - Unidirectional Black Ceramic Bezel - Black Ceramic Dial - Black Leather Strap - 215.33.44.21.01.001 5-Stripe self-winding chronometer Omega 2500 movement43. 5 mm stainless steel case with anti magnetic properties and helium escape valve, transparent back, screw in crown, unidirectional rotating black ceramic bezel with Liquidmetal diving scale, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, black ceramic dial, caliber 8900 self winding master co axial chronometer movement with date window at the 3 oclock, approximately 60 hours of power reserve, black leather