Rolex Datejust 31 vs Rolex GMT-Master
Ref. M278271-0006 vs Ref. 1675
Comparing the Rolex GMT-Master to the Rolex Datejust 31 means weighing a significant price difference — is the premium justified? At $14,300 versus ~$32,000 (market value), these two watches serve different segments of the market. Here's how they stack up on specifications, value retention, and investment potential.
Price Comparison
Rolex
Datejust 31
Rolex
GMT-Master
The Rolex Datejust 31 is priced at $14,300 while the Rolex GMT-Master comes in at ~$32,000 (market value). On the secondary market, the gap widens: the Rolex Datejust 31 trades around $13,585 and the Rolex GMT-Master around $32,000, a difference of $18,415 favoring the Rolex Datejust 31. Currently holding steady at just 5% below retail, this watch retains most of its value on the secondary market. The Rolex GMT-Master commands an even stronger market premium of 0.0%, with upward momentum. For investors, the Rolex GMT-Master edges ahead with a flip potential score of 6/10 compared to 4/10.
Specifications
| Specification | Rolex Datejust 31 | Rolex GMT-Master |
|---|---|---|
| Case Diameter | 31mm | 40mm |
| Case Thickness | 11.3mm | 12.0mm |
| Case Material | Oystersteel and 18ct Everose gold | Stainless steel |
| Bezel | 18ct Everose gold, fluted | Stainless steel with aluminum insert in blue and red |
| Crystal | Sapphire with Cyclops lens | Acrylic with Cyclops lens |
| Water Resistance | 100m / 330ft | 50m / 165ft |
| Movement | Rolex calibre 2236 | Rolex calibre 1575 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 48 hours |
| Bracelet/Strap | Jubilee, five-piece links in Oystersteel and 18ct Everose gold | Oyster, folded or riveted links (varies by year) |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Oyster folding clasp |
| Lug Width | 16mm | 20mm |
Key specification differences stand out between these two: The Rolex Datejust 31 leads in water resistance (100m / 330ft vs. 50m / 165ft), and the Rolex Datejust 31 offers longer power reserve at 55 hours, and the Rolex Datejust 31 uses Oystersteel and 18ct Everose gold while the Rolex GMT-Master 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 $438 versus $800 for the Rolex GMT-Master. For water resistance, the Rolex Datejust 31 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 Rolex GMT-Master if you prioritize a lower entry price, stronger flip potential, better value retention. For pure investment potential, the Rolex GMT-Master has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex Datejust 31 or the Rolex GMT-Master?
The Rolex Datejust 31 is more accessible, priced at $14,300 compared to ~$32,000 (market value).
Which watch is a better investment?
Based on current market data, the Rolex GMT-Master has a higher flip potential score of 6/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex GMT-Master currently trades at 0.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Rolex Datejust 31 and Rolex GMT-Master compare in size?
The Rolex Datejust 31 measures 31mm in diameter and 11.3mm thick, while the Rolex GMT-Master is 40mm by 12.0mm. Water resistance differs too: 100m / 330ft versus 50m / 165ft.
What movements do these watches use?
The Rolex Datejust 31 uses the Rolex calibre 2236 with 55 hours power reserve, while the Rolex GMT-Master runs on the Rolex calibre 1575 offering 48 hours of power reserve.