Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Mother-Of-Pearl Dial - 123.10.27.20.57.001 Eisenkiesel self-winding chronometer Omega 8521 movement

self-winding chronometer Omega 8521 movement with Co-Axial Escapement

18K white gold fluted bezel set with 44 diamonds

diamond bezel with 60 baguettes

bi-directional rotatable bezel with 24-hour engraved black and blue Cerachrom insert

bidirectional rotatable 60-minute graduated bezel with matt black Cerachrom insert in ceramic

Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Mother-Of-Pearl Dial - 123.10.27.20.57.001 Eisenkiesel self-winding chronometer Omega 8521 movement27 mm stainless steel case, transparent back, stainless steel bezel with engraved roman numerals, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, blue mother of pearl dial with a wavy pattern extending from the iconic claws, 11 diamond indexes, date window at 3 o'clock, calibre 8520 self winding movement with co axial escapement for greater precision stability and durability, approximately 50 hours of power