calibre 82100 automatic movement with date
arched-edge sapphire glass crystal with antireflective coating on both sides
black dial with new “Lady Tapisserie” pattern
approximately 40 hours of power reserve
caliber 8520 self-winding movement with chronometer and automatic winding in both directions to reduce winding time
Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Yellow Gold Case - Diamond Bezel - Mother-Of-Pearl Supernova Diamond Dial - 123.55.27.20.55.002 11.59 calibre 82100 automatic movement with27 mm brushed 18K yellow gold case, transparent back, diamond bezel, domed scratch resistant sapphire crystal with anti reflective treatment both sides, white mother of pearl supernova dial with diamond hour markers, self winding chronometer Omega 8521 movement with Co Axial Escapement, date, and seconds, approximately 50 hours of power reserve, 18K yellow gold bracelet. Water resistant to 100 m.