Tudor Black Bay 58 vs Tudor Black Bay 54
The Tudor Black Bay 58 has a 1.8 mm longer lug-to-lug than the Tudor Black Bay 54 (47.8 mm vs 46 mm).
The Tudor Black Bay 58 has a 2 mm larger case than the Tudor Black Bay 54 (39 mm vs 37 mm).
The Tudor Black Bay 58 has a 0.5 mm thicker case than the Tudor Black Bay 54 (11.7 mm vs 11.2 mm).
On our fit model the Tudor Black Bay 58 suits 6.75"–8" wrists and the Tudor Black Bay 54 6.5"–7.75", so the Tudor Black Bay 54 is the better choice for a smaller wrist.
They share a 20 mm lug width, so straps swap between them.
At US retail the Tudor Black Bay 58 costs $625 more ($5,350 vs $4,725).
On your wrist
Tudor Black Bay 58Ideal fit
Tudor Black Bay 54Ideal fit
Side by side
| Tudor Black Bay 58 | Tudor Black Bay 54 | |
|---|---|---|
| Reference | M7939A1A0NU | M79000N |
| Case diameter | 39 mm | 37 mm |
| Lug-to-lug | 47.8 mm | 46 mm |
| Thickness | 11.7 mm | 11.2 mm |
| Lug width | 20 mm | 20 mm |
| Water resistance | 200 m | 200 m |
| Movement | Tudor MT5400-U (automatic) | Tudor MT5400 (automatic) |
| Power reserve | 65 hours | 70 hours |
| Crystal | sapphire | sapphire |
| Style | Dive | Dive |
| Retail (US) | $5,350 | $4,725 |