Tudor Black Bay 58 vs Marathon GSAR
Tudor Black Bay 58 ($3,575) vs Marathon GSAR ($1,250) — side-by-side specs, weight, pros and cons to help you pick the right automatic watch.
Spec-by-spec
| Spec | Tudor Black Bay 58 | Marathon GSAR |
|---|
| Price | $3,575 | $1,250 |
| Weight | 145g | 160g |
| Movement | MT5402 (COSC) | Sellita SW200 |
| Case | 39mm stainless | — |
| WR | 200m | — |
| Crystal | Sapphire + AR | — |
| Power | 70h reserve | — |
| Warranty | 5 years | — |
| Water Resistance | — | 300m |
| Case Diameter | — | 41mm |
| Lume | — | Tritium |
Pros & Cons
Tudor Black Bay 58
- COSC in-house movement
- 200m dive rating
- Sapphire crystal
- 5-year warranty
- 39mm perfect proportions
- $3,575 serious money
- Now very common on wrists
- Rolex family premium
Marathon GSAR
- True milspec
- Tritium tubes
- Serial numbered
- Heavy
- Less brand cachet
Marathon GSAR is the better value at $1,250. If weight matters most, Tudor Black Bay 58 carries lighter at 145g. Both are part of our curated automatic watch index — tap through to check current pricing.