Omega Seamaster Diver 300M Co-Axial Master Chronometer 42 mm 210.30.42.20.01.001 vs Omega Speedmaster Moonwatch Professional Co-Axial Master Chronometer 42 mm (Hesalite) 310.30.42.50.01.001
Specifications
Marked rows differ| Case | ||
| Case diameter | 42 mm | 42 mm |
|---|---|---|
| Thickness | 13.5 mm | 13.58 mm |
| Lug-to-lug | 50 mm | 47.46 mm |
| Water resistance | 300 m | 50 m |
| Movement | ||
| Movement | Automatic (self-winding), Co-Axial escapement | Manual winding (hand-wound) |
| Caliber | Omega Co-Axial Master Chronometer Calibre 8800 | Omega 3861 |
| Price | ||
| Launch MSRP | — | $6,300 |
| Details | ||
| Balance spring | — | Silicon |
| Bezel | — | Black anodized aluminium tachymeter insert ('dot over 90') |
| Bracelet | — | Stainless steel five-link, tapering from 20 mm at the lugs to 15 mm at the clasp |
| Case material | — | Stainless steel |
| Chronometer certification | — | METAS Master Chronometer (Co-Axial) |
| Crystal | — | Hesalite (acrylic) with stamped Omega logo |
| Dial color | — | Black (stepped profile) |
| Frequency vph | — | 21600 |
| Hacking seconds | — | true |
| Jewels | — | 26 |
| Magnetic resistance gauss | — | 15000 |
| Power reserve hours | — | 50 |
Sources
Verified · 15 referencesEvery spec on this page was independently checked against the sources below before publishing.