Omega Seamaster Diver 300M Omega Co-Axial Master Chronometer Chronograph - 44 mm Steel And Sedna Gold Case - Black Dial - Black Rubber Strap - 210.22.44.51.01.001 Brown self-winding chronometer Omega 8401 movement

self-winding chronometer Omega 8401 movement with Co-Axial Escapement

automatic movement with blued-steel sword-shaped hands

Featuring a 39 mm steel case with a polished and satin finish

Octo Roma Blue Steel 41mm OC41C3SSD

Omega Seamaster Diver 300M Omega Co-Axial Master Chronometer Chronograph - 44 mm Steel And Sedna Gold Case - Black Dial - Black Rubber Strap - 210.22.44.51.01.001 Brown self-winding chronometer Omega 8401 movement44 mm steel and sedna gold case with anti magnetic protection and helium escape valve, transparent back, polished black ceramic bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, black dial with laser engraved waves and a date window at 6 oclock, Calibre Omega 9900 self winding co axial master chronometer movement with chronograph, small seconds, and date, approximately 60 hours of power reserve, black rubber