Rolex Datejust 31 vs Tudor Glamour Double Date
Ref. M278271-0006 vs Ref. M79230G-0001
The Rolex Datejust 31 and Tudor Glamour Double Date 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 $14,300 and the Tudor Glamour Double Date at $3,450, 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
Glamour Double Date
At retail, the Rolex Datejust 31 is listed at $14,300 while the Tudor Glamour Double Date comes in at $3,450. The Tudor Glamour Double Date comes in at $10,850 less — more than half the price difference — making it a significantly more accessible option. On the secondary market, the gap widens: the Rolex Datejust 31 trades around $13,585 and the Tudor Glamour Double Date around $2,588, a difference of $10,997 favoring the Tudor Glamour Double Date. Currently holding steady at just 5% below retail, this watch retains most of its value on the secondary market. The Tudor Glamour Double Date shows a more modest market premium of -25.0%, though currently trending downward. For investors, the Rolex Datejust 31 edges ahead with a flip potential score of 4/10 compared to 2/10.
Specifications
| Specification | Rolex Datejust 31 | Tudor Glamour Double Date |
|---|---|---|
| Case Diameter | 31mm | 42mm |
| Case Thickness | 11.3mm | 12mm |
| Case Material | Oystersteel and 18ct Everose gold | Stainless steel |
| Bezel | 18ct Everose gold, fluted | Stainless steel, polished and diamond-set |
| Crystal | Sapphire with Cyclops lens | Sapphire crystal |
| Water Resistance | 100m / 330ft | 100m / 330ft |
| Movement | Rolex calibre 2236 | Tudor Calibre T603 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 38 hours |
| Bracelet/Strap | Jubilee, five-piece links in Oystersteel and 18ct Everose gold | Stainless steel bracelet |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Folding clasp with safety catch |
| Lug Width | 16mm | 22mm |
Key specification differences stand out between these two: the Rolex Datejust 31 offers longer power reserve at 55 hours, and the Rolex Datejust 31 uses Oystersteel and 18ct Everose gold while the Tudor Glamour Double Date 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 Datejust 31 costs $438 versus $62 for the Tudor Glamour Double Date. For water resistance, the Tudor Glamour Double Date delivers better value per meter of depth rating. The Tudor Glamour Double Date offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex Datejust 31 if you value stronger flip potential, better value retention. Go with the Tudor Glamour Double Date if you prioritize a lower entry price. For pure investment potential, the Rolex Datejust 31 has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex Datejust 31 or the Tudor Glamour Double Date?
The Tudor Glamour Double Date is more accessible, priced at $3,450 compared to $14,300.
Which watch is a better investment?
Based on current market data, the Rolex Datejust 31 has a higher flip potential score of 4/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex Datejust 31 currently trades at 5.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Rolex Datejust 31 and Tudor Glamour Double Date compare in size?
The Rolex Datejust 31 measures 31mm in diameter and 11.3mm thick, while the Tudor Glamour Double Date is 42mm by 12mm.
What movements do these watches use?
The Rolex Datejust 31 uses the Rolex calibre 2236 with 55 hours power reserve, while the Tudor Glamour Double Date runs on the Tudor Calibre T603 offering 38 hours of power reserve.