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 40 matt blue dial with yellow

matt blue dial with yellow GMT hand that matches the yellow 24-hour scale on the dial which makes it possible to keep track of time in a second time zone

5 mm 18K Sedna gold and stainless steel case with anti-magnetic properties and helium escape valve

Brand Audemars Piguet Series Royal Oak Limited Edition

caliber 8923 self-winding Co-Axial master chronometer movement with date and annual calendar functions

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 40 matt blue dial with yellow43. 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