Tudor Black Bay 58 vs Tudor Black Bay GMT
Ref. M79030B-0001 vs Ref. M79830RB-0010
The Tudor Black Bay 58 and Tudor Black Bay GMT both carry the Tudor name but serve different purposes — the Tudor Black Bay 58 as a dive watch and the Tudor Black Bay GMT as a gmt / travel watch. At $4,275 and $4,150 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Tudor
Black Bay 58
Tudor
Black Bay GMT
At retail, the Tudor Black Bay 58 is listed at $4,275 while the Tudor Black Bay GMT comes in at $4,150. The two watches are priced within $125 of each other, making this a near-even matchup in terms of cost. On the secondary market, the gap widens: the Tudor Black Bay 58 trades around $3,900 and the Tudor Black Bay GMT around $3,735, a difference of $165 favoring the Tudor Black Bay GMT. Currently holding steady at just 9% below retail, this watch retains most of its value on the secondary market. The Tudor Black Bay GMT shows a more modest market premium of -10.0%, holding steady. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.
Specifications
| Specification | Tudor Black Bay 58 | Tudor Black Bay GMT |
|---|---|---|
| Case Diameter | 39mm | 41mm |
| Case Thickness | 11.9mm | 14.8mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Unidirectional rotating bezel with anodized aluminium insert in blue | Bidirectional rotating bezel with anodized aluminium insert in burgundy and blue |
| Crystal | Sapphire crystal | Sapphire crystal |
| Water Resistance | 200m / 660ft | 200m / 660ft |
| Movement | Tudor Calibre MT5402 | Tudor Calibre MT5652 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Stainless steel with riveted-style links | Fabric NATO strap in burgundy and blue |
| Clasp | Folding clasp with safety catch | Buckle |
| Lug Width | 20mm | 22mm |
Key specification differences stand out between these two: the Tudor Black Bay 58 features 39mm for case diameter compared to the Tudor Black Bay GMT's 41mm. With 4 notable spec differences in total, the choice depends on which features matter most to your use case.
Value Per Feature
Per millimeter of case diameter, the Tudor Black Bay 58 costs $100 versus $91 for the Tudor Black Bay GMT. For water resistance, the Tudor Black Bay GMT delivers better value per meter of depth rating. The Tudor Black Bay GMT offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Tudor Black Bay 58 if you value better value retention, serious diving capabilities. Go with the Tudor Black Bay GMT if you prioritize a lower entry price.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay 58 or the Tudor Black Bay GMT?
The Tudor Black Bay GMT is more accessible, priced at $4,150 compared to $4,275.
Which holds its value better on the secondary market?
The Tudor Black Bay 58 currently trades at 8.8% below retail, indicating moderate value retention on the pre-owned market.
How do the Tudor Black Bay 58 and Tudor Black Bay GMT compare in size?
The Tudor Black Bay 58 measures 39mm in diameter and 11.9mm thick, while the Tudor Black Bay GMT is 41mm by 14.8mm.
What movements do these watches use?
The Tudor Black Bay 58 uses the Tudor Calibre MT5402 with 70 hours power reserve, while the Tudor Black Bay GMT runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.