The Seamaster 300M has been on 007’s wrist since 1995, and the current generation is its best yet. It has a laser-engraved wave dial, a ceramic bezel and a METAS-certified Master Chronometer movement that ignores magnetic fields that would stop most watches. The helium escape valve at 10 o’clock is a signature detail.
Who it’s for
Buyers who want a top-tier luxury diver with instant recognition. It’s often a strong-value alternative to the Submariner on the pre-owned market.
Buying tips
- Omega pre-owned prices typically sit well below retail. Use the tracker to see the gap.
- Check the warranty card date. Omega offers five years on Master Chronometers.
- Earlier generations (2531.80, 2254.50, 212.30) are cheaper and have their own fans. Make sure you know which generation you’re buying.
| Brand | Omega |
|---|---|
| Reference | 210.30.42.20.01.001 (black) |
| Case size | 42 mm |
| Case material | Stainless steel, ceramic bezel |
| Movement | Automatic, Omega Co-Axial Master Chronometer 8800 |
| Power reserve | About 55 hours |
| Water resistance | 300 m |
| Crystal | Sapphire |
| Production | 2018 – present (current generation) |
| Typical market price | around $5,200 (estimate; see tracked prices) |
Omega Seamaster Diver 300M price history
How we measure: eBay figures are the median of matching US listings after removing accessories, parts and statistical outliers. "Asking" means listed prices; "sold" means completed sales. Retailer prices are spot checks. Prices change constantly; confirm on the retailer's site.
