Rolex GMT-Master II vs Tudor Black Bay Pro
Ref. 116710LN vs Ref. M79470-0001
The Rolex GMT-Master II and Tudor Black Bay Pro represent one of the most compelling matchups in luxury watches — a sibling rivalry between two brands under the same parent company. With the Rolex GMT-Master II priced at ~$15,000 (market value) and the Tudor Black Bay Pro at $4,475, 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
GMT-Master II
Tudor
Black Bay Pro
The Rolex GMT-Master II is priced at ~$15,000 (market value) while the Tudor Black Bay Pro comes in at $4,475. On the secondary market, the gap widens: the Rolex GMT-Master II trades around $15,000 and the Tudor Black Bay Pro around $4,028, a difference of $10,972 favoring the Tudor Black Bay Pro. This watch trades at 62% above retail on the secondary market and is trending upward — a strong indicator of collector demand. The Tudor Black Bay Pro shows a more modest market premium of -10.0%, holding steady. For investors, the Rolex GMT-Master II edges ahead with a flip potential score of 9/10 compared to 2/10.
Specifications
| Specification | Rolex GMT-Master II | Tudor Black Bay Pro |
|---|---|---|
| Case Diameter | 40mm | 39mm |
| Case Thickness | 13.0mm | 12.3mm |
| Case Material | Oystersteel | Stainless steel |
| Bezel | Cerachrom (ceramic) in black | Fixed bezel with 24-hour graduated scale in black |
| Crystal | Sapphire with Cyclops lens | Sapphire crystal |
| Water Resistance | 100m / 330ft | 200m / 660ft |
| Movement | Rolex calibre 3186 | Tudor Calibre MT5652 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 48 hours | 70 hours |
| Bracelet/Strap | Oyster, three-piece solid links | Stainless steel with riveted-style links |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Folding clasp with safety catch and micro-adjustment |
| Lug Width | 20mm | 20mm |
Key specification differences stand out between these two: The Tudor Black Bay Pro leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Tudor Black Bay Pro offers longer power reserve at 70 hours, and the Rolex GMT-Master II uses Oystersteel while the Tudor Black Bay Pro opts for Stainless steel. 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 GMT-Master II costs $375 versus $103 for the Tudor Black Bay Pro. For water resistance, the Tudor Black Bay Pro delivers better value per meter of depth rating. The Tudor Black Bay Pro offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex GMT-Master II if you value a lower entry price, stronger flip potential, better value retention. Go with the Tudor Black Bay Pro if you prioritize the Tudor heritage. For pure investment potential, the Rolex GMT-Master II has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex GMT-Master II or the Tudor Black Bay Pro?
The Tudor Black Bay Pro is more accessible, priced at $4,475 compared to ~$15,000 (market value).
Which watch is a better investment?
Based on current market data, the Rolex GMT-Master II has a higher flip potential score of 9/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex GMT-Master II currently trades at 62.2% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex GMT-Master II and Tudor Black Bay Pro compare in size?
The Rolex GMT-Master II measures 40mm in diameter and 13.0mm thick, while the Tudor Black Bay Pro is 39mm by 12.3mm. Water resistance differs too: 100m / 330ft versus 200m / 660ft.
What movements do these watches use?
The Rolex GMT-Master II uses the Rolex calibre 3186 with 48 hours power reserve, while the Tudor Black Bay Pro runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.