Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Dial - 123.15.27.20.53.001 3016 blue ceramic screw-locked crown and

blue ceramic screw-locked crown and push pieces

embodies both durability and refinement

6 H-shaped titanium screws

diamond hour markers and a date window at the 6 o'clock position

Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Dial - 123.15.27.20.53.001 3016 blue ceramic screw-locked crown and27 mm stainless steel case, transparent back, domed scratch resistant sapphire crystal anti reflective treatment on both sides, blue lacquered dial decorated with a feathered pattern, Caliber Omega 8520 self winding movement with co axial escapement, chronometer, date, approximately 50 hours of power reserve, stainless steel bracelet. Water resistant to 10 bar (100 metres 330 feet).