Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Mother-Of-Pearl Dial - 123.10.27.20.57.001 Date The hallmark fluted bezel

The hallmark fluted bezel

while its round 40mm case size complements a variety of wrist sizes

Crafted with silver-tone stainless steel in a 41mm case

and timeless style

Rolex calibre 3230 automatic movement

Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Mother-Of-Pearl Dial - 123.10.27.20.57.001 Date The hallmark fluted 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