210.90.42.20.01.003Ref

Debuting in 2025 within the modern Diver 300M collection, which has been in continuous production since 1993, the Omega Seamaster Diver 300M ref. 210.90.42.20.01.003 has a 42 mm case made of Omega's proprietary Bronze Gold alloy, a material developed for skin compatibility with 37.5% gold, palladium, and silver, offering corrosion resistance and a controlled patina without verdigris. It features a burgundy anodised aluminium bezel insert with vintage Super-LumiNova diving scale, a domed sapphire crystal with inner anti-reflective treatment, 300-metre water resistance, and dimensions of 49.7 mm lug-to-lug and 13.8 mm thickness; the sandblasted black aluminium dial has PVD 18K Bronze Gold hands and blackened hour markers with vintage Super-LumiNova, plus light-brown transferred markings including the logo. The watch comes on a brushed Bronze Gold mesh bracelet and is powered by the self-winding Co-Axial Master Chronometer calibre 8806, visible through the sapphire caseback, with METAS certification, approximately 55 hours of power reserve, and resistance to magnetic fields and water.