2024 Omega Seamaster Diver 300 M A modern classic in Omega’s dive watch collection, the Seamaster Diver 300M, reference 210.30.42.20.01.001, blends high-performance engineering with bold contemporary design. This pre-owned model from 2024 is offered in excellent condition and delivered as a full set, including original box, warranty card, and all documentation. Case material: Stainless steel Case size: 42 mm Strap material: Stainless steel Movement: Automatic Caliber: Omega Co-Axial Master Chronometer Caliber 8800 Condition: Excellent condition Insured shipping