San Martin SN0109G-A vs Seestern S478
Both are homages to the Tudor Black Bay GMT. The Seestern costs less: about $330 against about $388.
Key differences
- The Seestern is larger: 39.5 mm against 39 mm.
Specs side by side
| Spec | San Martin SN0109G-A | Seestern S478 |
|---|---|---|
| Original | Tudor Black Bay GMT | Tudor Black Bay GMT |
| Case diameter | 39 mm | 39.5 mm |
| Lug-to-lug | 48.5 mm | Not published |
| Thickness | 12.25 mm | 12 mm |
| Lug width | Not published | Not published |
| Water resistance | 100 m | 100 m |
| Movement | Automatic, HZ6460 | Automatic, Peacock SL3032 |
| Power reserve | 40 h | 35 h |
| Crystal | Sapphire, aR coating | Sapphire |
| Weight | 146 g | Not published |
| Price | about $388 | about $330 |
| Reviews read | 1 | 0 |
Official stores
San Martin SN0109G-A
Seestern S478