Rolex Cosmograph Daytona vs Tudor Heritage Black Bay Chrono
Ref. M126505-0001 vs Ref. 79350
The Rolex Cosmograph Daytona 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 Cosmograph Daytona priced at $39,800 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
Cosmograph Daytona
Tudor
Heritage Black Bay Chrono
The Rolex Cosmograph Daytona is priced at $39,800 while the Tudor Heritage Black Bay Chrono comes in at ~$5,200 (market value). On the secondary market, the gap narrows: the Rolex Cosmograph Daytona trades around $42,000 and the Tudor Heritage Black Bay Chrono around $5,200, a difference of $36,800 favoring the Tudor Heritage Black Bay Chrono. Trading at 6% above retail and holding steady, this model holds its value well on the pre-owned market. The Tudor Heritage Black Bay Chrono commands an even stronger market premium of +10.6%, with upward momentum. Both watches score equally on flip potential at 5/10, making neither a clear investment winner over the other.
Specifications
| Specification | Rolex Cosmograph Daytona | Tudor Heritage Black Bay Chrono |
|---|---|---|
| Case Diameter | 40mm | 41mm |
| Case Thickness | 12.2mm | 14.9mm |
| Case Material | 18ct Everose gold | Stainless steel |
| Bezel | Cerachrom (ceramic) in black with tachymetric scale | Fixed bezel with tachymeter scale |
| Crystal | Sapphire | Sapphire crystal |
| Water Resistance | 100m / 330ft | 200m / 660ft |
| Movement | Rolex calibre 4131 | Tudor Calibre MT5813 |
| Movement Type | Automatic | Automatic chronograph |
| Power Reserve | 72 hours | 70 hours |
| Bracelet/Strap | Oyster, three-piece solid links in 18ct Everose gold | Stainless steel bracelet |
| Clasp | Oysterlock safety clasp 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 Rolex Cosmograph Daytona offers longer power reserve at 72 hours, and the Rolex Cosmograph Daytona uses 18ct Everose gold while the Tudor Heritage Black Bay Chrono 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 Cosmograph Daytona costs $1,050 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 Cosmograph Daytona if you value timing functionality. Go with the Tudor Heritage Black Bay Chrono if you prioritize a lower entry price, better value retention, timing functionality.
Frequently Asked Questions
Which is more affordable, the Rolex Cosmograph Daytona or the Tudor Heritage Black Bay Chrono?
The Tudor Heritage Black Bay Chrono is more accessible, priced at ~$5,200 (market value) compared to $39,800.
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 Cosmograph Daytona and Tudor Heritage Black Bay Chrono compare in size?
The Rolex Cosmograph Daytona measures 40mm in diameter and 12.2mm 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 Cosmograph Daytona uses the Rolex calibre 4131 with 72 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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