Omega Style No: 123.10.27.20.55.002 Omega Constellation Co-Axial Watch - 27 mm Steel Case - Mother-Of-Pearl Dial

27 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, white 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 reserve, stainless steel bracelet. Water resistant to 10 bar.