Omega Seamaster Diver 300M

This Omega Seamaster Diver 300M reference 210.30.42.20.01.001, purchased in 2025, is presented in excellent condition and comes complete with its full set of box and papers.

The 42 mm stainless-steel case features a mix of polished and brushed finishes, giving the watch both strength and refinement. It is equipped with a black ceramic unidirectional bezel featuring a white enamel diving scale, ensuring lasting clarity and durability. Water resistance is rated to 300 metres, supported by the screw-down crown and helium-escape valve at 10 o’clock.

The black ceramic dial is laser-engraved with Omega’s signature wave pattern, giving it depth and texture. Skeletonised hands and raised indexes are filled with Super-LumiNova for exceptional readability in low light. A date window sits at 6 o’clock beneath the domed sapphire crystal.

Powering the watch is the Omega calibre 8800, a METAS-certified Master Chronometer offering magnetic resistance up to 15,000 gauss and precision of 0 to +5 seconds per day. It features a Co-Axial escapement, free-sprung balance, and a 55-hour power reserve, all visible through the sapphire caseback.

This example is fitted with the elegant Milanese (mesh) stainless-steel bracelet, known for its comfort, flexibility, and vintage appeal. The bracelet closes with a secure clasp, maintaining the Seamaster’s refined, modern aesthetic.

The Omega Seamaster Diver 300M 210.30.42.20.01.001 is a perfect blend of professional dive capability and everyday sophistication. This 2025 full-set example, in excellent condition with its Milanese bracelet, is an outstanding addition for collectors and enthusiasts alike.