OMEGA first introduced the Seamaster 300 in 1957, designed especially for divers and professionals who worked underwater.
This Seamaster 300 has a sand blasted black dial and the hands are 18 carat yellow gold and coated with “vintage” Super-LumiNova. The bezel is 18 carat yellow gold and has a ceramic bezel ring with a Ceragold™ diving scale. The case is stainless steel on an 18 carat yellow gold and steel barcelet.
A transparent caseback makes it possible to see the anti-magnetic OMEGA Master Co-Axial calibre 8400 within. Water resistant to 300 metres.