39 mm stainless steel and 18K Sedna gold case
sun-brushed grey dial and a date window at the 6 o'clock position
It features the same powerful mechanics for which the Black Bay series is known
Water resistant to 3 bar (30 metres / 100 feet)
caliber 8922 self-winding Co-Axial master chronometer movement with date and annual calendar functions
Omega Gents Constellation Chronometer Watch - 35 mm Brushed Steel Case - Silver Diamond Dial - 123.10.35.20.52.001 37 39 mm stainless steel and35 mm brushed stainless steel case, transparent back, domed scratch resistant sapphire crystal with anti reflective treatment inside, silver dial with diamond hour markers, self winding chronometer Omega 2500 movement with Co Axial Escapement, date, and seconds, approximately 48 hours of power reserve, stainless steel bracelet. Water resistant to 100 m.