Rolex Air-King vs Rolex Datejust 31
Ref. M126900-0001 vs Ref. M278271-0006
The Rolex Air-King and Rolex Datejust 31 both carry the Rolex name but serve different purposes — the Rolex Air-King as a field watch and the Rolex Datejust 31 as a dress watch. At $8,450 and $14,300 respectively, the question isn't which is better — it's which better fits your collection and investment goals.
Price Comparison
Rolex
Air-King
Rolex
Datejust 31
At retail, the Rolex Air-King is listed at $8,450 while the Rolex Datejust 31 comes in at $14,300. At $5,850 less (69% savings), the Rolex Air-King offers a substantially lower entry point. On the secondary market, the gap narrows: the Rolex Air-King trades around $9,500 and the Rolex Datejust 31 around $13,585, a difference of $4,085 favoring the Rolex Air-King. Trading at 12% above retail and holding steady, this model holds its value well on the pre-owned market. The Rolex Datejust 31 shows a more modest market premium of -5.0%, holding steady. For investors, the Rolex Air-King edges ahead with a flip potential score of 5/10 compared to 4/10.
Specifications
| Specification | Rolex Air-King | Rolex Datejust 31 |
|---|---|---|
| Case Diameter | 40mm | 31mm |
| Case Thickness | 13.1mm | 11.3mm |
| Case Material | Oystersteel | Oystersteel and 18ct Everose gold |
| Bezel | Oystersteel, smooth | 18ct Everose gold, fluted |
| Crystal | Sapphire | Sapphire with Cyclops lens |
| Water Resistance | 100m / 330ft | 100m / 330ft |
| Movement | Rolex calibre 3230 | Rolex calibre 2236 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 70 hours | 55 hours |
| Bracelet/Strap | Oyster, three-piece solid links | Jubilee, five-piece links in Oystersteel and 18ct Everose gold |
| Clasp | Oysterclasp with Easylink 5mm comfort extension | Oysterclasp with Easylink 5mm comfort extension |
| Lug Width | 20mm | 16mm |
Key specification differences stand out between these two: the Rolex Air-King offers longer power reserve at 70 hours, and the Rolex Air-King uses Oystersteel while the Rolex Datejust 31 opts for Oystersteel and 18ct Everose gold. 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 Air-King costs $238 versus $438 for the Rolex Datejust 31. For water resistance, the Rolex Air-King delivers better value per meter of depth rating. The Rolex Air-King offers more power reserve per dollar spent.
Which Should You Buy?
Choose the Rolex Air-King if you value a lower entry price, stronger flip potential, better value retention. Go with the Rolex Datejust 31 if you prioritize the Rolex heritage. For pure investment potential, the Rolex Air-King has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Rolex Air-King or the Rolex Datejust 31?
The Rolex Air-King is more accessible, priced at $8,450 compared to $14,300.
Which watch is a better investment?
Based on current market data, the Rolex Air-King 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 Air-King currently trades at 12.4% above retail, indicating strong value retention on the pre-owned market.
How do the Rolex Air-King and Rolex Datejust 31 compare in size?
The Rolex Air-King measures 40mm in diameter and 13.1mm thick, while the Rolex Datejust 31 is 31mm by 11.3mm.
What movements do these watches use?
The Rolex Air-King uses the Rolex calibre 3230 with 70 hours power reserve, while the Rolex Datejust 31 runs on the Rolex calibre 2236 offering 55 hours of power reserve.