Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Mother-Of-Pearl Dial - 123.10.27.20.57.001 Eisenkiesel bidirectional rotatable 60-minute graduated bezel

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

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

41 mm 18K white gold case

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

diamond bezel with 60 baguettes

Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Mother-Of-Pearl Dial - 123.10.27.20.57.001 Eisenkiesel bidirectional rotatable 60-minute graduated bezel27 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