black and grey textile strap
high autonomy quartz movement
unidirectional rotating bezel set with sapphires and diamonds
With 31 jewels and a power reserve of approximately 70 hours
domed scratch-resistant sapphire crystal with anti-reflective treatment inside
Omega Constellation Co-Axial Watch - 27 mm Steel Case - Diamond-Set Steel Bezel - Blue Mother-Of-Pearl Dial - 123.15.27.20.57.001 IW326901 black and grey textile strap27 mm stainless steel case, transparent back, diamond set stainless steel bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, blue 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