Tudor Black Bay GMT S&G vs Tudor Black Bay S&G
Ref. M79833MN-0003 vs Ref. M79733N-0008
The Tudor Black Bay GMT S&G and Tudor Black Bay S&G both carry the Tudor name but serve different purposes — the Tudor Black Bay GMT S&G as a gmt / travel watch and the Tudor Black Bay S&G as a dive watch. At $5,825 and $5,475 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Tudor
Black Bay GMT S&G
Tudor
Black Bay S&G
At retail, the Tudor Black Bay GMT S&G is listed at $5,825 while the Tudor Black Bay S&G comes in at $5,475. The two watches are priced within $350 of each other, making this a near-even matchup in terms of cost. On the secondary market, the gap narrows: the Tudor Black Bay GMT S&G trades around $5,243 and the Tudor Black Bay S&G around $4,928, a difference of $315 favoring the Tudor Black Bay S&G. Available at 10% below retail and holding steady, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay S&G 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 GMT S&G | Tudor Black Bay S&G |
|---|---|---|
| Case Diameter | 41mm | 41mm |
| Case Thickness | 14.8mm | 12.7mm |
| Case Material | Stainless steel and yellow gold | Stainless steel and yellow gold |
| Bezel | Bidirectional rotating bezel with anodized aluminium insert in brown and black | Unidirectional rotating bezel with anodized aluminium insert in black |
| Crystal | Sapphire crystal | Domed sapphire crystal |
| Water Resistance | 200m / 660ft | 200m / 660ft |
| Movement | Tudor Calibre MT5652 | Tudor Calibre MT5612 |
| 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 | 22mm | 22mm |
Key specification differences stand out between these two: the Tudor Black Bay GMT S&G features 14.8mm for case thickness compared to the Tudor Black Bay S&G's 12.7mm. 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 GMT S&G costs $128 versus $120 for the Tudor Black Bay S&G. For water resistance, the Tudor Black Bay S&G delivers better value per meter of depth rating. The Tudor Black Bay S&G offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Tudor Black Bay GMT S&G if you value the Tudor heritage. Go with the Tudor Black Bay S&G if you prioritize a lower entry price, serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay GMT S&G or the Tudor Black Bay S&G?
The Tudor Black Bay S&G is more accessible, priced at $5,475 compared to $5,825.
Which holds its value better on the secondary market?
The Tudor Black Bay S&G currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Tudor Black Bay GMT S&G and Tudor Black Bay S&G compare in size?
The Tudor Black Bay GMT S&G measures 41mm in diameter and 14.8mm thick, while the Tudor Black Bay S&G is 41mm by 12.7mm.
What movements do these watches use?
The Tudor Black Bay GMT S&G uses the Tudor Calibre MT5652 with 70 hours power reserve, while the Tudor Black Bay S&G runs on the Tudor Calibre MT5612 offering 70 hours of power reserve.

