210.52.42.20.04.001Ref

The Omega Seamaster Diver 300M ref. 210.52.42.20.04.001, debuting in 2025, has an 18K Sedna gold case and a polished white ceramic wave-pattern dial with applied indexes and skeleton hands in Sedna gold filled with white Super-LumiNova. The 42 mm case includes a unidirectional bezel with raised Sedna gold diving scale, a date window at 6 o'clock, and a brown rubber strap, while the wave-edged transparent caseback reveals the METAS-certified Master Chronometer calibre 8801 with co-axial escapement and anti-magnetic performance.