Omega Speedmaster Mark II Co-Axial Chronograph Watch - 42.4 mm Steel - Sedna Gold Case - Grey Dial - Steel And Sedna Gold Bracelet - 327.20.43.50.01.001 Saxonia Encased in lustrous 18kt yellow

Encased in lustrous 18kt yellow gold

27 mm brushed 18K red gold case

rhodiumized 18K white gold triple loop bracelet

bidirectional rotatable bezel with 24-hour engraved black Cerachrom insert

unidirectional rotatable bezel with blue Cerachrom insert and platinum coated numerals and graduations

Omega Speedmaster Mark II Co-Axial Chronograph Watch - 42.4 mm Steel - Sedna Gold Case - Grey Dial - Steel And Sedna Gold Bracelet - 327.20.43.50.01.001 Saxonia Encased in lustrous 18kt yellow42. 4 mm x 46. 2 mm steel sedna gold case, 18K sedna gold bezel, sapphire crystal with anti reflective treatment on both sides, grey dial, caliber 3330 self winding movement with chronograph function, approximately 52 hours of power reserve, steel and 18K sedna gold bracelet. Water resistant to 100 m (330 ft).