Rolex GMT-Master II vs Tudor Heritage Black Bay Chrono
Ref. 16710 vs Ref. 79350
The Rolex GMT-Master II and Tudor Heritage Black Bay Chrono 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 ~$17,000 (market value) and the Tudor Heritage Black Bay Chrono at ~$5,200 (market value), 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
Heritage Black Bay Chrono
The Rolex GMT-Master II is priced at ~$17,000 (market value) while the Tudor Heritage Black Bay Chrono comes in at ~$5,200 (market value). On the secondary market, the gap widens: the Rolex GMT-Master II trades around $17,000 and the Tudor Heritage Black Bay Chrono around $5,200, a difference of $11,800 favoring the Tudor Heritage Black Bay Chrono. Currently trending upward at just 0% below retail, this watch retains most of its value on the secondary market. The Tudor Heritage Black Bay Chrono commands an even stronger market premium of +10.6%, with upward momentum. For investors, the Rolex GMT-Master II edges ahead with a flip potential score of 6/10 compared to 5/10.
Specifications
| Specification | Rolex GMT-Master II | Tudor Heritage Black Bay Chrono |
|---|---|---|
| Case Diameter | 40mm | 41mm |
| Case Thickness | 12.0mm | 14.9mm |
| Case Material | Stainless steel | Stainless steel |
| Bezel | Stainless steel with aluminum insert (blue/red, black/red, or black) | Fixed bezel with tachymeter scale |
| Crystal | Sapphire with Cyclops lens | Sapphire crystal |
| Water Resistance | 100m / 330ft | 200m / 660ft |
| Movement | Rolex calibre 3185 | Tudor Calibre MT5813 |
| Movement Type | Automatic | Automatic chronograph |
| Power Reserve | 48 hours | 70 hours |
| Bracelet/Strap | Oyster, three-piece solid links | Stainless steel bracelet |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Folding clasp with safety catch |
| Lug Width | 20mm | 22mm |
Key specification differences stand out between these two: The Tudor Heritage Black Bay Chrono leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Tudor Heritage Black Bay Chrono offers longer power reserve at 70 hours. With 7 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 $425 versus $127 for the Tudor Heritage Black Bay Chrono. For water resistance, the Tudor Heritage Black Bay Chrono delivers better value per meter of depth rating. The Tudor Heritage Black Bay Chrono offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex GMT-Master II if you value stronger flip potential. Go with the Tudor Heritage Black Bay Chrono if you prioritize better value retention, timing functionality. 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 Heritage Black Bay Chrono?
The Tudor Heritage Black Bay Chrono is more accessible, priced at ~$5,200 (market value) compared to ~$17,000 (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 6/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Tudor Heritage Black Bay Chrono currently trades at 10.6% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex GMT-Master II and Tudor Heritage Black Bay Chrono compare in size?
The Rolex GMT-Master II measures 40mm in diameter and 12.0mm thick, while the Tudor Heritage Black Bay Chrono is 41mm by 14.9mm. Water resistance differs too: 100m / 330ft versus 200m / 660ft.
What movements do these watches use?
The Rolex GMT-Master II uses the Rolex calibre 3185 with 48 hours power reserve, while the Tudor Heritage Black Bay Chrono runs on the Tudor Calibre MT5813 offering 70 hours of power reserve.
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