Omega Seamaster 300 Omega Master Co-Axial Watch - 41 mm Steel Case - Yellow Gold Unidirectional Bezel - Black Dial - Steel And Yellow Gold Bracelet - 233.20.41.21.01.002 Extra-Thin caliber 8520 self-winding movement with

caliber 8520 self-winding movement with chronometer and automatic winding in both directions to reduce winding time

38 mm brushed 18K red gold case

champagne dial with Roman numerals and 8 diamond hour markers

diamond-set 18k red gold bezel

Omega Seamaster 300 Omega Master Co-Axial Watch - 41 mm Steel Case - Yellow Gold Unidirectional Bezel - Black Dial - Steel And Yellow Gold Bracelet - 233.20.41.21.01.002 Extra-Thin caliber 8520 self-winding movement with41 mm stainless steel case, transparent back, self locking crown, 18K yellow gold unidirectional rotating bezel, sapphire crystal with anti reflective treatment inside, black dial with 18K yellow gold hands, caliber 8400 self winding movement, approximately 60 hours of power reserve, stainless steel and 18K yellow gold bracelet. Water resistant to 300 m (1000 ft).