Omega Seamaster Diver 300M Omega Co-Axial Master Chronometer - 42 mm Steel Case - White Dial - Black Rubber Strap - 210.32.42.20.04.001 5-Stripe 4 mm steel and yellow

4 mm steel and yellow gold case

Calibre Omega 8500 self-winding co-axial chronometer movement with date

Calibre Omega 8401 self-winding co-axial chronometer movement

unidirectional rotating bezel ring has an OMEGA Ceragold™ diving scale

59 Model Number 26398BC

Omega Seamaster Diver 300M Omega Co-Axial Master Chronometer - 42 mm Steel Case - White Dial - Black Rubber Strap - 210.32.42.20.04.001 5-Stripe 4 mm steel and yellow42 mm steel case with anti magnetic protection and helium escape valve, transparent back, black ceramic bezel, domed scratch resistant sapphire crystal with anti reflective treatment on both sides, white dial with laser engraved waves and Seamaster highlighted in red, Calibre Omega 8800 self winding co axial master chronometer movement with date, approximately 55 hours of power reserve, integrated black rubber strap. Water resistant to 300 metres