The Omega Seamaster 300 Master Co-Axial has a design inspired by Omega's first dive watch, while it is technically fully up-to-date and packed with Omega's latest inventions and materials, like an in-house, anti-magnetic Master Co-Axial movement and a ceramic bezel insert.This Seamaster 300 has a blue enamel dial with 18K white gold hands coated with "vintage" Super-LumiNova. The polished ceramic bezel ring has an 850-grade platinum Liquidmetal® diving scale. Both case and bracelet are done in heavy 950 platinum and this watch is produced in an edition limited to 357 pieces - the limited edition number of each model is noted on the dial (0/357). It is powered by caliber 8401.