The modern iteration of the pioneering 1957 original Seamaster 300 - OMEGAs classic dive watch, refined OMEGA Co-Axial Master Chronometer Precision and durability from the Calibre 8912 movement 41mm case in stainless steel case and strap with blue bezel and dial THE DIVE WATCH FOR PROFESSIONALS The famous Seamaster 300 was originally released to great acclaim in 1957, designed expressly for professional divers, underwater workers and military use. Completely reworked for the 21st century with an enhanced movement and beautiful form, this timepiece is ready for a new generation of sea-going adventurers. Maintaining the long ocean heritage of OMEGA, the modern Seamaster 300 collection is a range of luxury, practical timepieces with industry-leading accuracy, timeless design and modern materials. OMEGA PRECISION This 41 mm stainless steel model features a blue dial and oxalic anodized aluminium bezel with its diving scale filled with vintage Super-Lumi Nova. The recessed hour markers and