Omega
Seamaster Planet Ocean 600M Co-Axial 42
Ref. 217.30.42.21.01.001
The Omega Seamaster Planet Ocean 600M reference 217.30.42.21.01.001 is a fourth-generation dive watch known for its no-date dial, achieving perfect symmetry and a nod to the original 2005 Planet Ocean. Released in 2025, it combines modern proportions with heritage design, featuring a 42mm stainless steel case, 600m water resistance, and the advanced Omega caliber 8912 movement with a 60-hour power reserve.
crystalSapphire with anti-reflective treatment on both sides
braceletStainless steel bracelet
movementOmega caliber 8912, automatic, Co-Axial escapement, 60-hour power reserve, chronometer
lug width21.00 mm
dial colorBlack, matte finish with applied rhodium-plated indexes and Arabic numerals
case diameter42.00 mm
case materialStainless steel with Grade 5 titanium inner ring and ceramic bezel insert
water resistance600 meters (60 bar)
year2025
A registered Omega 217.30.42.21.01.001 carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.