Omega Seamaster 300 Omega Master Co-Axial Watch - 41 mm Steel Case - Yellow Gold Bezel - Black Dial - Brown Leather Strap - 233.22.41.21.01.001 43mm dark mother-of-pearl dial

dark mother-of-pearl dial

and Oysterlock bracelet with Easylink 5mm comfort extension link

40mm 904L stainless steel superalloy case

caliber 8401 self-winding movement

Omega Seamaster 300 Omega Master Co-Axial Watch - 41 mm Steel Case - Yellow Gold Bezel - Black Dial - Brown Leather Strap - 233.22.41.21.01.001 43mm dark mother-of-pearl dial41 mm stainless steel case, transparent back, self locking crown, 18K yellow gold bezel with ceramic ring, 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, brown leather strap. Water resistant to 300 m (1000 ft).