Rolex Datejust 31 vs Rolex Oyster Perpetual 36
Ref. M278274-0018 vs Ref. M126000-0006
The Rolex Datejust 31 and Rolex Oyster Perpetual 36 both carry the Rolex name but serve different purposes — the Rolex Datejust 31 as a dress watch and the Rolex Oyster Perpetual 36 as a everyday watch. At $10,750 and $6,550 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Rolex
Datejust 31
Rolex
Oyster Perpetual 36
At retail, the Rolex Datejust 31 is listed at $10,750 while the Rolex Oyster Perpetual 36 comes in at $6,550. At $4,200 less (64% savings), the Rolex Oyster Perpetual 36 offers a substantially lower entry point. On the secondary market, the gap narrows: the Rolex Datejust 31 trades around $10,000 and the Rolex Oyster Perpetual 36 around $5,895, a difference of $4,105 favoring the Rolex Oyster Perpetual 36. Currently holding steady at just 7% below retail, this watch retains most of its value on the secondary market. The Rolex Oyster Perpetual 36 shows a more modest market premium of -10.0%, holding steady. Both watches score equally on flip potential at 3/10, making neither a clear investment winner over the other.
Specifications
| Specification | Rolex Datejust 31 | Rolex Oyster Perpetual 36 |
|---|---|---|
| Case Diameter | 31mm | 36mm |
| Case Thickness | 11.3mm | 11.4mm |
| Case Material | Oystersteel and 18ct white gold | Oystersteel |
| Bezel | 18ct white gold, fluted | Oystersteel, smooth |
| Crystal | Sapphire with Cyclops lens | Sapphire |
| Water Resistance | 100m / 330ft | 100m / 330ft |
| Movement | Rolex calibre 2236 | Rolex calibre 3230 |
| 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 | 20mm |
Key specification differences stand out between these two: the Rolex Oyster Perpetual 36 offers longer power reserve at 70 hours, and the Rolex Datejust 31 uses Oystersteel and 18ct white gold while the Rolex Oyster Perpetual 36 opts for Oystersteel. 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 $323 versus $164 for the Rolex Oyster Perpetual 36. For water resistance, the Rolex Oyster Perpetual 36 delivers better value per meter of depth rating. The Rolex Oyster Perpetual 36 offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex Datejust 31 if you value better value retention. Go with the Rolex Oyster Perpetual 36 if you prioritize a lower entry price.
Frequently Asked Questions
Which is more affordable, the Rolex Datejust 31 or the Rolex Oyster Perpetual 36?
The Rolex Oyster Perpetual 36 is more accessible, priced at $6,550 compared to $10,750.
Which holds its value better on the secondary market?
The Rolex Datejust 31 currently trades at 7.0% below retail, indicating moderate value retention on the pre-owned market.
How do the Rolex Datejust 31 and Rolex Oyster Perpetual 36 compare in size?
The Rolex Datejust 31 measures 31mm in diameter and 11.3mm thick, while the Rolex Oyster Perpetual 36 is 36mm by 11.4mm.
What movements do these watches use?
The Rolex Datejust 31 uses the Rolex calibre 2236 with 55 hours power reserve, while the Rolex Oyster Perpetual 36 runs on the Rolex calibre 3230 offering 70 hours of power reserve.