Tudor Black Bay 58 vs Tudor Black Bay GMT
Ref. M79030N-0002 vs Ref. M79830RB-0001
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 $3,825 and $4,600 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 $3,825 while the Tudor Black Bay GMT comes in at $4,600. The Tudor Black Bay 58 saves you $775 (20% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Tudor Black Bay 58 trades around $3,825 and the Tudor Black Bay GMT around $3,800, a difference of $25 favoring the Tudor Black Bay GMT. Currently holding steady at just 0% 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 -17.4%, though currently trending downward. For investors, the Tudor Black Bay 58 edges ahead with a flip potential score of 3/10 compared to 2/10.
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 black | 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 | Fabric NATO strap in black and grey | Stainless steel with riveted-style links |
| Clasp | Buckle | Folding clasp with safety catch |
| 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 $98 versus $93 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 a lower entry price, stronger flip potential, better value retention. Go with the Tudor Black Bay GMT if you prioritize the Tudor heritage. For pure investment potential, the Tudor Black Bay 58 has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay 58 or the Tudor Black Bay GMT?
The Tudor Black Bay 58 is more accessible, priced at $3,825 compared to $4,600.
Which watch is a better investment?
Based on current market data, the Tudor Black Bay 58 has a higher flip potential score of 3/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Tudor Black Bay 58 currently trades at 0.0% 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.