Rolex Rolex Deepsea vs Tudor Heritage Black Bay Chrono
Ref. M136660-0005 vs Ref. 79350
The Rolex Rolex Deepsea 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 Rolex Deepsea priced at $15,200 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
Rolex Deepsea
Tudor
Heritage Black Bay Chrono
The Rolex Rolex Deepsea is priced at $15,200 while the Tudor Heritage Black Bay Chrono comes in at ~$5,200 (market value). On the secondary market, the gap narrows: the Rolex Rolex Deepsea trades around $16,500 and the Tudor Heritage Black Bay Chrono around $5,200, a difference of $11,300 favoring the Tudor Heritage Black Bay Chrono. Trading at 9% 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 Rolex Deepsea | Tudor Heritage Black Bay Chrono |
|---|---|---|
| Case Diameter | 44mm | 41mm |
| Case Thickness | 17.7mm | 14.9mm |
| Case Material | Oystersteel | Stainless steel |
| Bezel | Cerachrom (ceramic) in black | Fixed bezel with tachymeter scale |
| Crystal | Sapphire, 5.5mm thick | Sapphire crystal |
| Water Resistance | 3900m / 12800ft | 200m / 660ft |
| Movement | Rolex calibre 3235 | Tudor Calibre MT5813 |
| Movement Type | Automatic | Automatic chronograph |
| Power Reserve | 70 hours | 70 hours |
| Bracelet/Strap | Oyster, three-piece solid links | Stainless steel bracelet |
| Clasp | Oysterlock safety clasp with Fliplock extension and Glidelock extension system | Folding clasp with safety catch |
| Lug Width | 22mm | 22mm |
Key specification differences stand out between these two: The Rolex Rolex Deepsea leads in water resistance (3900m / 12800ft vs. 200m / 660ft), and the Rolex Rolex Deepsea uses Oystersteel while the Tudor Heritage Black Bay Chrono opts for Stainless steel. 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 Rolex Deepsea costs $375 versus $127 for the Tudor Heritage Black Bay Chrono. For water resistance, the Rolex Rolex Deepsea 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 Rolex Deepsea if you value serious diving capabilities. 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 Rolex Deepsea or the Tudor Heritage Black Bay Chrono?
The Tudor Heritage Black Bay Chrono is more accessible, priced at ~$5,200 (market value) compared to $15,200.
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 Rolex Deepsea and Tudor Heritage Black Bay Chrono compare in size?
The Rolex Rolex Deepsea measures 44mm in diameter and 17.7mm thick, while the Tudor Heritage Black Bay Chrono is 41mm by 14.9mm. Water resistance differs too: 3900m / 12800ft versus 200m / 660ft.
What movements do these watches use?
The Rolex Rolex Deepsea uses the Rolex calibre 3235 with 70 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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