Omega
Seamaster Diver 300M
Ref. 210.30.42.20.04.001
The Omega Seamaster 300M Co-Axial Master Chronometer (reference 210.30.42.20.04.001) is a professional-grade dive watch renowned for its 300-meter water resistance and precision. It features Omega's Co-Axial escapement and Master Chronometer certification, ensuring high accuracy and resistance to magnetic fields. This model is notable for its robust design and association with underwater exploration.
movementCo-Axial Master Chronometer, 60-hour power reserve
functionsDate
dial colorBlue (wave pattern inferred from typical Seamaster 300M design)
case diameter42mm
case materialStainless steel
water resistance300 meters
A registered Omega 210.30.42.20.04.001 carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.