Description: OMEGA Seamaster Diver 300M Pre-owned OMEGA Seamaster Diver 300M ref 210.30.42.20.03.003 (2025) was part of a major 2023 release, including 11 different Seamaster watches in “Summer Blue” to celebrate the collection’s 75th anniversary.  Each of the 11 models featured various shades of blue to reflect their respective depth ratings.  The greater the depth rating, the darker the dial.  The SMP 300, with its 300 meters of water resistance, is,