Omega Seamaster Diver 300M vs Marathon GSAR
Omega Seamaster Diver 300M ($5,400) vs Marathon GSAR ($1,250) — side-by-side specs, weight, pros and cons to help you pick the right watch.
Spec-by-spec
| Spec | Omega Seamaster Diver 300M | Marathon GSAR |
|---|
| Price | $5,400 | $1,250 |
| Weight | 180g | 160g |
| Movement | Omega 8800 Co-Axial | Sellita SW200 |
| Water Resistance | 300m | 300m |
| Case Diameter | 42mm | 41mm |
| Power Reserve | 55h | — |
| Lume | — | Tritium |
Pros & Cons
Omega Seamaster Diver 300M
- Master Chronometer
- Iconic design
- Incredible bracelet
- Lug-to-lug long
- Helium valve rarely used
Marathon GSAR
- True milspec
- Tritium tubes
- Serial numbered
- Heavy
- Less brand cachet
Marathon GSAR is the better value at $1,250. Both are part of our curated watch index — tap through to check current pricing.