Ref. 210.22.44.51.03.001 - Since 1993, the Seamaster Professional Diver 300M has enjoyed a devoted following. Today's modern collection embraces this renowned maritime heritage and enriches it with OMEGA's innovative ideas and superior design. - This 44 mm chronograph, crafted from stainless steel and 18K yellow gold, features a polished blue ceramic bezel with a Ceragold™ diving scale. The pushers and dial are also made of polished blue ceramic. The dial is further enhanced with laser-engraved waves and a date window at 6 o'clock. - All hands and hour markers are crafted from 18K yellow gold, with the central hands and hour markers additionally filled with white Super-LumiNova. - The watch with blue rubber strap is powered by the OMEGA Master Chronometer caliber 9900, which can be admired through the sapphire crystal of the case back with a wavy edge.