Omega Constellation Co-Axial Watch - 27 mm Steel And Yellow Gold Case - Diamond-Set Yellow Gold Bezel - Champagne Mother-Of-Pearl Dial - Steel Bracelet - 123.25.27.20.57.002 31mm Rolex calibre 3285 self-winding movement

Rolex calibre 3285 self-winding movement with second time-zone hour hand and instantaneous date

Case Size- 30mm

Chromalight hour markers

39mm yellow gold case

38 mm brushed 18K white gold case

Omega Constellation Co-Axial Watch - 27 mm Steel And Yellow Gold Case - Diamond-Set Yellow Gold Bezel - Champagne Mother-Of-Pearl Dial - Steel Bracelet - 123.25.27.20.57.002 31mm Rolex calibre 3285 self-winding movement27 mm stainless steel and yellow gold case, transparent back, diamond set 18K yellow gold bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, champagne 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