Tudor Black Bay GMT vs Tudor Black Bay S&G
Ref. M79830RB-0010 vs Ref. M79733N-0007
The Tudor Black Bay GMT and Tudor Black Bay S&G both carry the Tudor name but serve different purposes — the Tudor Black Bay GMT as a gmt / travel watch and the Tudor Black Bay S&G as a dive watch. At $4,150 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
Tudor
Black Bay S&G
At retail, the Tudor Black Bay GMT is listed at $4,150 while the Tudor Black Bay S&G comes in at $5,475. The Tudor Black Bay GMT saves you $1,325 (32% less), a meaningful difference for most buyers. On the secondary market, the gap narrows: the Tudor Black Bay GMT trades around $3,735 and the Tudor Black Bay S&G around $4,928, a difference of $1,193 favoring the Tudor Black Bay GMT. 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 | Tudor Black Bay S&G |
|---|---|---|
| Case Diameter | 41mm | 41mm |
| Case Thickness | 14.8mm | 12.7mm |
| Case Material | Stainless steel | Stainless steel and yellow gold |
| Bezel | Bidirectional rotating bezel with anodized aluminium insert in burgundy and blue | 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 | Fabric NATO strap in burgundy and blue | Stainless steel and yellow gold with riveted-style links |
| Clasp | Buckle | Folding clasp with safety catch |
| Lug Width | 22mm | 22mm |
Key specification differences stand out between these two: the Tudor Black Bay GMT uses Stainless steel while the Tudor Black Bay S&G opts for Stainless steel and yellow gold. With 5 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 costs $91 versus $120 for the Tudor Black Bay S&G. 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 GMT if you value a lower entry price. Go with the Tudor Black Bay S&G if you prioritize serious diving capabilities.
Frequently Asked Questions
Which is more affordable, the Tudor Black Bay GMT or the Tudor Black Bay S&G?
The Tudor Black Bay GMT is more accessible, priced at $4,150 compared to $5,475.
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 and Tudor Black Bay S&G compare in size?
The Tudor Black Bay GMT 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 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.