The stainless steel OMEGA Seamaster is one of the most recognizable watch collections ever made, and in stainless steel, it is at its best. Whether you are looking at the Diver 300M, the Aqua Terra, the Planet Ocean, or a vintage Seamaster 300, every OMEGA Seamaster model in this lineup is built from 316L stainless steel, a grade known for its corrosion resistance and lasting shine. At Bob's Watches, we carry certified pre-owned OMEGA Seamaster stainless steel watches across every sub-collection, from current production references to discontinued vintage pieces that are hard to find anywhere else. Every watch is authenticated and priced according to real market data, so you know exactly what you are getting before you buy. ... read more