Rolex Day-Date 40 vs Tudor Submariner
Ref. M228349RBR-0003 vs Ref. 79090
The Rolex Day-Date 40 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 Day-Date 40 priced at $71,200 and the Tudor Submariner at ~$7,000 (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
Day-Date 40
Tudor
Submariner
The Rolex Day-Date 40 is priced at $71,200 while the Tudor Submariner comes in at ~$7,000 (market value). On the secondary market, the gap narrows: the Rolex Day-Date 40 trades around $74,760 and the Tudor Submariner around $7,000, a difference of $67,760 favoring the Tudor Submariner. Trading at 5% above retail and holding steady, this model holds its value well on the pre-owned market. The Tudor Submariner commands an even stronger market premium of +366.7%, with upward momentum. For investors, the Tudor Submariner edges ahead with a flip potential score of 8/10 compared to 5/10.
Specifications
| Specification | Rolex Day-Date 40 | Tudor Submariner |
|---|---|---|
| Case Diameter | 40mm | 40mm |
| Case Thickness | 12.4mm | 12.5mm |
| Case Material | 18ct white gold | Stainless steel |
| Bezel | 18ct white gold, set with diamonds | Unidirectional rotating bezel with aluminum insert in black |
| Crystal | Sapphire with Cyclops lens | Sapphire crystal |
| Water Resistance | 100m / 330ft | 200m / 660ft |
| Movement | Rolex calibre 3255 | ETA 2824-2 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 38 hours |
| Bracelet/Strap | President, three-piece semi-circular links | Stainless steel Oyster-style bracelet |
| Clasp | Concealed folding Crownclasp | Folding clasp with diver extension |
| Lug Width | 20mm | 20mm |
Key specification differences stand out between these two: The Tudor Submariner leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Rolex Day-Date 40 offers longer power reserve at 70 hours, and the Rolex Day-Date 40 uses 18ct white gold while the Tudor Submariner 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 Day-Date 40 costs $1,869 versus $175 for the Tudor Submariner. For water resistance, the Tudor Submariner delivers better value per meter of depth rating. The Tudor Submariner offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex Day-Date 40 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 Day-Date 40 or the Tudor Submariner?
The Tudor Submariner is more accessible, priced at ~$7,000 (market value) compared to $71,200.
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 366.7% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex Day-Date 40 and Tudor Submariner compare in size?
The Rolex Day-Date 40 measures 40mm in diameter and 12.4mm 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 Day-Date 40 uses the Rolex calibre 3255 with 70 hours power reserve, while the Tudor Submariner runs on the ETA 2824-2 offering 38 hours of power reserve.