Rolex Lady-Datejust vs Tudor Submariner
Ref. M279135RBR-0001 vs Ref. 79090
The Rolex Lady-Datejust 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 Lady-Datejust priced at $35,150 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
Lady-Datejust
Tudor
Submariner
The Rolex Lady-Datejust is priced at $35,150 while the Tudor Submariner comes in at ~$7,000 (market value). On the secondary market, the gap narrows: the Rolex Lady-Datejust trades around $33,393 and the Tudor Submariner around $7,000, a difference of $26,393 favoring the Tudor Submariner. Currently holding steady at just 5% below retail, this watch retains most of its value on the secondary 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 4/10.
Specifications
| Specification | Rolex Lady-Datejust | Tudor Submariner |
|---|---|---|
| Case Diameter | 28mm | 40mm |
| Case Thickness | 10.1mm | 12.5mm |
| Case Material | 18ct Everose gold | Stainless steel |
| Bezel | 18ct Everose 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 2236 | ETA 2824-2 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 38 hours |
| Bracelet/Strap | President, three-piece semi-circular links in 18ct Everose gold | Stainless steel Oyster-style bracelet |
| Clasp | Concealed folding Crownclasp | Folding clasp with diver extension |
| Lug Width | 14mm | 20mm |
Key specification differences stand out between these two: The Tudor Submariner leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Rolex Lady-Datejust offers longer power reserve at 55 hours, and the Rolex Lady-Datejust uses 18ct Everose 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 Lady-Datejust costs $1,193 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 Lady-Datejust 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 Lady-Datejust or the Tudor Submariner?
The Tudor Submariner is more accessible, priced at ~$7,000 (market value) compared to $35,150.
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 Lady-Datejust and Tudor Submariner compare in size?
The Rolex Lady-Datejust measures 28mm in diameter and 10.1mm 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 Lady-Datejust uses the Rolex calibre 2236 with 55 hours power reserve, while the Tudor Submariner runs on the ETA 2824-2 offering 38 hours of power reserve.