San Martin SN0138 37 mm Diver vs Watchdives WD7922
Both are homages to the Tudor Black Bay 54. The San Martin is closer to its original, scoring 79 against 73. The Watchdives costs less: about $149 against about $328.
Key differences
- The San Martin uses a automatic movement; the Watchdives uses quartz.
Specs side by side
| Spec | San Martin SN0138 37 mm Diver | Watchdives WD7922 |
|---|---|---|
| Original | Tudor Black Bay 54 | Tudor Black Bay 54 |
| Case diameter | 37 mm | 37 mm |
| Lug-to-lug | 45.8 mm | 45.5 mm |
| Thickness | 12.7 mm | 11.4 mm |
| Lug width | Not published | 20 mm |
| Water resistance | 200 m | 200 m |
| Movement | Automatic, ST2130 | Quartz, VH31 |
| Power reserve | Not published | Not published |
| Crystal | Sapphire, aR coating | Sapphire, 5-layer AR coating |
| Weight | 147 g | Not published |
| Price | about $328 | about $149 |
| Reviews read | 2 | 4 |
Official stores
San Martin SN0138 37 mm Diver
Watchdives WD7922