Omega Seamaster Diver 300 M I Ref 212.30.44.50.01.002 | 44 mm | Black Dial |

About This Watch

The Omega Seamaster Diver 300M Chronograph Ref. 212.30.44.50.01.002 is a bold and highly capable dive watch that blends professional-grade functionality with Omega’s signature design. With its larger 44mm case, this reference offers strong wrist presence while staying true to the Seamaster’s heritage of performance and durability. The black dial is clean yet dynamic, featuring a balanced chronograph layout with subtle sporty accents. Luminous hands and markers ensure excellent visibility, while the ceramic bezel and helium escape valve reinforce its purpose-built dive functionality. Built for both underwater performance and everyday wear, it carries that unmistakable Seamaster identity. Inside, the watch is powered by the Omega Co-Axial Calibre 3330, a column-wheel chronograph movement known for its precision and durability. Designed with a co-axial escapement and silicon balance spring, it offers enhanced reliability and long-term performance. This example is accompanied by its original card, adding to its overall value and collectibility. Condition Please review the photos carefully for an accurate representation. Light scratches or signs of wear consistent with age and normal use may be present and do not affect functionality. Technical Data Reference: 212.30.44.50.01.002 Case Diameter: 44 mm Case Material: Stainless steel Bezel: Unidirectional rotating ceramic bezel Dial: Black dial with luminous markers Crystal: Sapphire crystal (anti-reflective) Water Resistance: 300 meters / 1000 feet Bracelet: Stainless steel bracelet Movement: Omega Calibre 3330 automatic chronograph Power Reserve: Approximately 50–52 hours