Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Dial - 123.15.27.20.53.001 42 This model is designed in

This model is designed in a 34 mm case

beige rubber strap

Calibre 2924 Manufacture hand-wound movement

sapphire back

the Black Bay distills 60 years of expertise into a single timepiece

Omega Constellation Co-Axial Watch - 27 mm Steel Case - Blue Dial - 123.15.27.20.53.001 42 This model is designed in27 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).