Out of stock Quick View For Him, OMEGA, SEAMASTER, Seamaster 300, WATCHES SEAMASTER 300 MASTER CO‑AXIAL 41 MM "OMEGA first introduced the Seamaster 300 in 1957 - it was a watch designed especially for divers and professionals who worked underwater. More than half a century later, the timepiece makes a comeback in a completely ... Add to Wishlist Add To Compare