Rolex Yacht-Master 37 vs Tudor Black Bay GMT S&G
Ref. M268622-0002 vs Ref. M79833MN-0001
The Rolex Yacht-Master 37 and Tudor Black Bay GMT S&G represent one of the most compelling matchups in luxury watches — a sibling rivalry between two brands under the same parent company. With the Rolex Yacht-Master 37 priced at $13,350 and the Tudor Black Bay GMT S&G at $5,825, the price gap raises a critical question: does the extra investment in the pricier option deliver proportional value? We break down the specs, market performance, and flip potential to help you decide.
Price Comparison
Rolex
Yacht-Master 37
Tudor
Black Bay GMT S&G
At retail, the Rolex Yacht-Master 37 is listed at $13,350 while the Tudor Black Bay GMT S&G comes in at $5,825. The Tudor Black Bay GMT S&G comes in at $7,525 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Rolex Yacht-Master 37 trades around $11,500 and the Tudor Black Bay GMT S&G around $5,243, a difference of $6,257 favoring the Tudor Black Bay GMT S&G. Available at 14% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay GMT S&G commands an even stronger market premium of -10.0%, holding steady. For investors, the Rolex Yacht-Master 37 edges ahead with a flip potential score of 3/10 compared to 2/10.
Specifications
| Specification | Rolex Yacht-Master 37 | Tudor Black Bay GMT S&G |
|---|---|---|
| Case Diameter | 37mm | 41mm |
| Case Thickness | 11.6mm | 14.8mm |
| Case Material | Oystersteel and 950 platinum | Stainless steel and yellow gold |
| Bezel | 950 platinum, bidirectional rotatable, sandblasted | Bidirectional rotating bezel with anodized aluminium insert in brown and black |
| Crystal | Sapphire with Cyclops lens | Sapphire crystal |
| Water Resistance | 100m / 330ft | 200m / 660ft |
| Movement | Rolex calibre 2236 | Tudor Calibre MT5652 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | Oyster, three-piece solid links | Stainless steel and yellow gold with riveted-style links |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Folding clasp with safety catch |
| Lug Width | 19mm | 22mm |
Key specification differences stand out between these two: The Tudor Black Bay GMT S&G leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Tudor Black Bay GMT S&G offers longer power reserve at 70 hours, and the Rolex Yacht-Master 37 uses Oystersteel and 950 platinum while the Tudor Black Bay GMT S&G opts for Stainless steel and yellow gold. With 8 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 Rolex Yacht-Master 37 costs $311 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 Rolex Yacht-Master 37 if you value stronger flip potential. Go with the Tudor Black Bay GMT S&G if you prioritize a lower entry price, better value retention. For pure investment potential, the Rolex Yacht-Master 37 has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex Yacht-Master 37 or the Tudor Black Bay GMT S&G?
The Tudor Black Bay GMT S&G is more accessible, priced at $5,825 compared to $13,350.
Which watch is a better investment?
Based on current market data, the Rolex Yacht-Master 37 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 GMT S&G currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Rolex Yacht-Master 37 and Tudor Black Bay GMT S&G compare in size?
The Rolex Yacht-Master 37 measures 37mm in diameter and 11.6mm thick, while the Tudor Black Bay GMT S&G is 41mm by 14.8mm. Water resistance differs too: 100m / 330ft versus 200m / 660ft.
What movements do these watches use?
The Rolex Yacht-Master 37 uses the Rolex calibre 2236 with 55 hours power reserve, while the Tudor Black Bay GMT S&G runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.