Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Steel Case - Diamond Bezel - Black Supernova Diamond Dial - 123.15.27.20.51.001 1200M bezel with scale and anodised

bezel with scale and anodised aluminium insert and tachymeter

has a Titanium 40 mm Case with Screw Down Crown and a Titanium

hectagonal crown set with a faceted sapphire

black dial with racing style minute-track

Omega Ladies Constellation Chronometer Watch - 27 mm Brushed Steel Case - Diamond Bezel - Black Supernova Diamond Dial - 123.15.27.20.51.001 1200M bezel with scale and anodised27 mm brushed stainless steel case, transparent back, diamond bezel, 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.