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 sun-brushed black dial with polished

sun-brushed black dial with polished domed Roman numerals and indexes

rhodium-toned external zone

black dial with new “Lady Tapisserie” pattern

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

black inner 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 sun-brushed black dial with polished41 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).