Omega Seamaster Planet Ocean 600 M Co-Axial Master Chronometer Watch - 43.5 mm Titanium Case - Unidirectional Grey Ceramic Bezel - Grade 5 Titanium Dial - 215.90.44.21.99.001 IW459306 17 LEP PS movement with

17 LEP PS movement with seconds subdial at 6 o'clock

manual winding caliber Cartier 430MC movement

blue dial with Roman numerals and index hour markers

brushed bezel with tone-in-tone Roman numerals

Omega Seamaster Planet Ocean 600 M Co-Axial Master Chronometer Watch - 43.5 mm Titanium Case - Unidirectional Grey Ceramic Bezel - Grade 5 Titanium Dial - 215.90.44.21.99.001 IW459306 17 LEP PS movement with43. 5 mm titanium case with anti magnetic properties, transparent back, screw in crown, unidirectional rotating grey ceramic bezel with grey silicon nitride and Liquidmetal diving scale, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, sand blasted grade 5 titanium dial with orange Arabic numerals, caliber 8900 self winding master co axial chronometer movement with date window at the 3 oclock, approximately 60