Omega Seamaster 300 Professional GMT 'Great White' accessories and a silver-accented constant seconds

and a silver-accented constant seconds sub-register at 6 o’clock

a red-arrow GMT hand and a center seconds hand adorned with a stylized cartoon-style hand

and an oversized subsidiary seconds register

The white wave’ dial features tritium lume plots

Omega Seamaster 300 Professional GMT 'Great White' accessories and a silver-accented constant secondsThe Seamaster 300 was Omega's response to the Rolex Submariner upon its introduction in 1957. Featuring a robust steel case with a 300 meter depth rating, a rotating bezel graduated with dive timing scales, and a metal bracelet with diver's expansion links, the early Seamaster 300 was not only functional a diver that would go on to see use in Her Majesty's Navy, but is arguably some of the handsomest sports watch designs of the past century. As it