Rolex Datejust 31 vs Rolex Explorer II
Ref. M278274-0018 vs Ref. M226570-0001
The Rolex Datejust 31 and Rolex Explorer II both carry the Rolex name but serve different purposes — the Rolex Datejust 31 as a dress watch and the Rolex Explorer II as a field watch. At $10,750 and $10,750 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Rolex
Datejust 31
Rolex
Explorer II
At retail, the Rolex Datejust 31 is listed at $10,750 while the Rolex Explorer II comes in at $10,750. The two watches are priced within — of each other, making this a near-even matchup in terms of cost. On the secondary market, the gap widens: the Rolex Datejust 31 trades around $10,000 and the Rolex Explorer II around $12,500, a difference of $2,500 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 Rolex Explorer II commands an even stronger market premium of +16.3%, holding steady. For investors, the Rolex Explorer II edges ahead with a flip potential score of 5/10 compared to 3/10.
Specifications
| Specification | Rolex Datejust 31 | Rolex Explorer II |
|---|---|---|
| Case Diameter | 31mm | 42mm |
| Case Thickness | 11.3mm | 13.0mm |
| Case Material | Oystersteel and 18ct white gold | Oystersteel |
| Bezel | 18ct white gold, fluted | Oystersteel, fixed 24-hour graduated bezel |
| Crystal | Sapphire with Cyclops lens | Sapphire with Cyclops lens |
| Water Resistance | 100m / 330ft | 100m / 330ft |
| Movement | Rolex calibre 2236 | Rolex calibre 3285 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 55 hours | 70 hours |
| Bracelet/Strap | Jubilee, five-piece links | Oyster, three-piece solid links |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Oysterclasp with Easylink 5mm comfort extension |
| Lug Width | 16mm | 21mm |
Key specification differences stand out between these two: the Rolex Explorer II offers longer power reserve at 70 hours, and the Rolex Datejust 31 uses Oystersteel and 18ct white gold while the Rolex Explorer II opts for Oystersteel. With 6 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 $298 for the Rolex Explorer II. For water resistance, the Rolex Datejust 31 delivers better value per meter of depth rating. The Rolex Explorer II 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 Explorer II if you prioritize stronger flip potential, better value retention. For pure investment potential, the Rolex Explorer II has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex Datejust 31 or the Rolex Explorer II?
The Rolex Datejust 31 is more accessible, priced at $10,750 compared to $10,750.
Which watch is a better investment?
Based on current market data, the Rolex Explorer II has a higher flip potential score of 5/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Rolex Explorer II currently trades at 16.3% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex Datejust 31 and Rolex Explorer II compare in size?
The Rolex Datejust 31 measures 31mm in diameter and 11.3mm thick, while the Rolex Explorer II is 42mm by 13.0mm.
What movements do these watches use?
The Rolex Datejust 31 uses the Rolex calibre 2236 with 55 hours power reserve, while the Rolex Explorer II runs on the Rolex calibre 3285 offering 70 hours of power reserve.