A 60th Anniversary tribute to one of three classic timepieces released in 1957, this Seamaster 300, limited to 3, 557 pieces, is based on the CK2913 and retains the Naïad sign on the crown, which back in '57 was a mark of the watch's exceptional water resistance, as well as the 1957 Seahorse on the caseback. In common with all three watches in the Trilogy, it is cased in brushed and polished stainless steel and features a black 'tropical' dial, with vintage indexes slightly deepened to allow filling with Super-Lumi Nova. The stainless steel bracelet has been updated for strength and features a retro-style OMEGA logo on the clasp. It is powered by the Master Chronometer 8806. Calibre Omega 8806: Self-winding movement with a Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15, 000 gauss. Free sprung-balance with silicon balance spring, automatic winding in both directions. Special luxury finish with rhodium-plated rotor and bridg