Omega Gents Constellation Chronometer Watch - 38 mm Brushed Yellow Gold Case - Diamond Bezel - Silver Diamond Dial - 123.55.38.21.52.002 IW459401 beaded crown set with a

beaded crown set with a ruby

black sunbeam dial

34mm 18K yellow gold case

dark blue caoutchouc strap

Caliber: RM017

Omega Gents Constellation Chronometer Watch - 38 mm Brushed Yellow Gold Case - Diamond Bezel - Silver Diamond Dial - 123.55.38.21.52.002 IW459401 beaded crown set with a38 mm brushed 18K yellow gold case, transparent back, diamond bezel, domed scratch resistant sapphire crystal with anti reflective treatment both sides, silver dial with diamond hour markers, self winding chronometer Omega 8501 movement with Co Axial Escapement, date, and seconds, approximately 60 hours of power reserve, 18K yellow gold bracelet. Water resistant to 100 m.