Rolex Datejust 31 vs Tudor Submariner
Ref. M278274-0018 vs Ref. 94010
The Rolex Datejust 31 and Tudor Submariner represent one of the most compelling matchups in luxury watches — a sibling rivalry between two brands under the same parent company. With the Rolex Datejust 31 priced at $10,750 and the Tudor Submariner at ~$12,000 (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
Datejust 31
Tudor
Submariner
The Rolex Datejust 31 is priced at $10,750 while the Tudor Submariner comes in at ~$12,000 (market value). On the secondary market, the gap narrows: the Rolex Datejust 31 trades around $10,000 and the Tudor Submariner around $12,000, a difference of $2,000 favoring the Rolex Datejust 31. Currently holding steady at just 7% below retail, this watch retains most of its value on the secondary market. The Tudor Submariner commands an even stronger market premium of +1311.8%, with upward momentum. For investors, the Tudor Submariner edges ahead with a flip potential score of 8/10 compared to 3/10.
Specifications
| Specification | Rolex Datejust 31 | Tudor Submariner |
|---|---|---|
| Case Diameter | 31mm | 40mm |
| Case Thickness | 11.3mm | 12.5mm |
| Case Material | Oystersteel and 18ct white gold | Stainless steel |
| Bezel | 18ct white gold, fluted | Unidirectional rotating bezel with aluminum insert in black |
| Crystal | Sapphire with Cyclops lens | Acrylic (Plexiglas) |
| Water Resistance | 100m / 330ft | 200m / 660ft |
| Movement | Rolex calibre 2236 | Tudor Calibre 2784 (based on ETA 2784) |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 44 hours |
| Bracelet/Strap | Jubilee, five-piece links | Stainless steel Oyster-style bracelet with folded links |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Folding clasp with diver extension |
| Lug Width | 16mm | 20mm |
Key specification differences stand out between these two: The Tudor Submariner leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Rolex Datejust 31 offers longer power reserve at 55 hours, and the Rolex Datejust 31 uses Oystersteel and 18ct white gold while the Tudor Submariner 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 Datejust 31 costs $323 versus $300 for the Tudor Submariner. For water resistance, the Tudor Submariner delivers better value per meter of depth rating. The Rolex Datejust 31 offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex Datejust 31 if you value the Rolex heritage. Go with the Tudor Submariner if you prioritize a lower entry price, stronger flip potential, better value retention. For pure investment potential, the Tudor Submariner has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex Datejust 31 or the Tudor Submariner?
The Rolex Datejust 31 is more accessible, priced at $10,750 compared to ~$12,000 (market value).
Which watch is a better investment?
Based on current market data, the Tudor Submariner has a higher flip potential score of 8/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Tudor Submariner currently trades at 1311.8% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex Datejust 31 and Tudor Submariner compare in size?
The Rolex Datejust 31 measures 31mm in diameter and 11.3mm thick, while the Tudor Submariner is 40mm by 12.5mm. Water resistance differs too: 100m / 330ft versus 200m / 660ft.
What movements do these watches use?
The Rolex Datejust 31 uses the Rolex calibre 2236 with 55 hours power reserve, while the Tudor Submariner runs on the Tudor Calibre 2784 (based on ETA 2784) offering 44 hours of power reserve.