OMEGA Seamaster 300 Co-Axial Master Chronometer 41mm Watch lifestyle-hover The black leather strap is

The black leather strap is micro-perforated revealing an orange rubber interior

The hour and minute hands and arrowhead indexes are blackened with white Super-LumiNova

a white ceramic dial and a date window at the 6 o'clock position

The caseback includes a Central Observatory medallion set in scratch-resistant sapphire crystal

This Speedmaster Racing Master Chronometer model features a 44

OMEGA Seamaster 300 Co-Axial Master Chronometer 41mm Watch lifestyle-hover The black leather strap isOMEGA first introduced the Seamaster 300 in 1957 designed especially for divers and professionals who worked underwater. More than 60 years later, the timepiece has been completely upgraded with an enhanced form that is ready for a new generation of adventurers. This 41 mm stainless steel model includes a black dial and a black oxalic anodized aluminium bezel with its diving scale filled with vintage Super LumiNova. The recessed hour markers and open