Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Steel Case - Black Supernova Diamond Dial - 123.10.27.20.51.001 Zirconium 18K white gold back with

18K white gold back with glareproofed sapphire crystal

vertical côtes de genève & "C1" engraved in the center

CROWN Screw Down MOVEMENT Automatic HANDS Black DIAL COLORS Skeleton DIAL TYPE Analog DIAL MARKERS Index BRACELET CLASP AP Folding Clasp WATER RESISTANCE 20 Meters (60 Feet) GENDER Men's

The 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock guarantee meticulous timekeeping precision

18k (750) solid gold case and buckle stamped and assay hallmarked

Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Steel Case - Black Supernova Diamond Dial - 123.10.27.20.51.001 Zirconium 18K white gold back with27 mm brushed stainless steel case, transparent back, domed scratch resistant sapphire crystal with anti reflective treatment both sides, black supernova dial with diamond hour markers, self winding chronometer Omega 8520 movement with Co Axial Escapement, date, and seconds, approximately 50 hours of power reserve, stainless steel bracelet. Water resistant to 100 m.