Tudor Black Bay 58 S&G vs Tudor Black Bay GMT S&G
Ref. M79010SG-0001 vs Ref. M79833MN-0003
The Tudor Black Bay 58 S&G and Tudor Black Bay GMT S&G both carry the Tudor name but serve different purposes — the Tudor Black Bay 58 S&G as a dive watch and the Tudor Black Bay GMT S&G as a gmt / travel watch. At $5,525 and $5,825 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Tudor
Black Bay 58 S&G
Tudor
Black Bay GMT S&G
At retail, the Tudor Black Bay 58 S&G is listed at $5,525 while the Tudor Black Bay GMT S&G comes in at $5,825. The two watches are priced within $300 of each other, making this a near-even matchup in terms of cost. On the secondary market, the gap narrows: the Tudor Black Bay 58 S&G trades around $5,525 and the Tudor Black Bay GMT S&G around $5,243, a difference of $282 favoring the Tudor Black Bay GMT S&G. Currently holding steady at just 0% below retail, this watch retains most of its value on the secondary market. The Tudor Black Bay GMT S&G shows a more modest market premium of -10.0%, holding steady. For investors, the Tudor Black Bay 58 S&G edges ahead with a flip potential score of 3/10 compared to 2/10.
Specifications
| Specification | Tudor Black Bay 58 S&G | Tudor Black Bay GMT S&G |
|---|---|---|
| Case Diameter | 39mm | 41mm |
| Case Thickness | 11.9mm | 14.8mm |
| Case Material | Stainless steel and yellow gold | Stainless steel and yellow gold |
| Bezel | Unidirectional rotating bezel with anodized aluminium insert in brown | Bidirectional rotating bezel with anodized aluminium insert in brown and black |
| 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 and yellow gold with riveted-style links | Stainless steel and yellow gold with riveted-style links |
| Clasp | Folding clasp with safety catch | Folding clasp with safety catch |
| Lug Width | 20mm | 22mm |
Key specification differences stand out between these two: the Tudor Black Bay 58 S&G features 39mm for case diameter compared to the Tudor Black Bay GMT S&G's 41mm. With 3 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 S&G costs $142 versus $128 for the Tudor Black Bay GMT S&G. For water resistance, the Tudor Black Bay GMT S&G delivers better value per meter of depth rating. The Tudor Black Bay GMT S&G offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Tudor Black Bay 58 S&G if you value a lower entry price, stronger flip potential, better value retention. Go with the Tudor Black Bay GMT S&G if you prioritize the Tudor heritage. For pure investment potential, the Tudor Black Bay 58 S&G has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay 58 S&G or the Tudor Black Bay GMT S&G?
The Tudor Black Bay 58 S&G is more accessible, priced at $5,525 compared to $5,825.
Which watch is a better investment?
Based on current market data, the Tudor Black Bay 58 S&G 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 S&G currently trades at 0.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Tudor Black Bay 58 S&G and Tudor Black Bay GMT S&G compare in size?
The Tudor Black Bay 58 S&G measures 39mm in diameter and 11.9mm thick, while the Tudor Black Bay GMT S&G is 41mm by 14.8mm.
What movements do these watches use?
The Tudor Black Bay 58 S&G uses the Tudor Calibre MT5402 with 70 hours power reserve, while the Tudor Black Bay GMT S&G runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.

