Rolex Submariner Date vs Tudor Black Bay Chrono
Ref. M126618LN-0002 vs Ref. M79360N-0001
The Rolex Submariner Date and Tudor 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 Submariner Date priced at $42,400 and the Tudor Black Bay Chrono 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
Submariner Date
Tudor
Black Bay Chrono
At retail, the Rolex Submariner Date is listed at $42,400 while the Tudor Black Bay Chrono comes in at $5,825. The Tudor Black Bay Chrono comes in at $36,575 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap narrows: the Rolex Submariner Date trades around $40,000 and the Tudor Black Bay Chrono around $5,534, a difference of $34,466 favoring the Tudor Black Bay Chrono. Currently holding steady at just 6% below retail, this watch retains most of its value on the secondary market. The Tudor Black Bay Chrono commands an even stronger market premium of -5.0%, holding steady. Both watches score equally on flip potential at 3/10, making neither a clear investment winner over the other.
Specifications
| Specification | Rolex Submariner Date | Tudor Black Bay Chrono |
|---|---|---|
| Case Diameter | 41mm | 41mm |
| Case Thickness | 12.5mm | 14.4mm |
| Case Material | 18ct yellow gold | Stainless steel |
| Bezel | Cerachrom (ceramic) in black | Fixed bezel with tachymeter scale in black |
| Crystal | Sapphire with Cyclops lens | Sapphire crystal |
| Water Resistance | 300m / 1000ft | 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 in 18ct yellow gold | Stainless steel with riveted-style links |
| Clasp | Oysterlock safety clasp with Glidelock extension system | Folding clasp with safety catch |
| Lug Width | 21mm | 22mm |
Key specification differences stand out between these two: The Rolex Submariner Date leads in water resistance (300m / 1000ft vs. 200m / 660ft), and the Rolex Submariner Date uses 18ct yellow gold while the Tudor Black Bay Chrono opts for Stainless steel. With 6 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 Submariner Date costs $976 versus $135 for the Tudor Black Bay Chrono. For water resistance, the Tudor Black Bay Chrono delivers better value per meter of depth rating. The Tudor Black Bay Chrono offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex Submariner Date if you value serious diving capabilities. Go with the Tudor Black Bay Chrono if you prioritize a lower entry price, better value retention, timing functionality.
Frequently Asked Questions
Which is more affordable, the Rolex Submariner Date or the Tudor Black Bay Chrono?
The Tudor Black Bay Chrono is more accessible, priced at $5,825 compared to $42,400.
Which holds its value better on the secondary market?
The Tudor Black Bay Chrono currently trades at 5.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Rolex Submariner Date and Tudor Black Bay Chrono compare in size?
The Rolex Submariner Date measures 41mm in diameter and 12.5mm thick, while the Tudor Black Bay Chrono is 41mm by 14.4mm. Water resistance differs too: 300m / 1000ft versus 200m / 660ft.
What movements do these watches use?
The Rolex Submariner Date uses the Rolex calibre 3235 with 70 hours power reserve, while the Tudor Black Bay Chrono runs on the Tudor Calibre MT5813 offering 70 hours of power reserve.