The Rolex Datejust 31mm is the fastest-growing segment in the Rolex market. Once considered a "ladies' watch," the 31mm Datejust has been embraced by collectors of all genders thanks to the modern trend toward smaller watches. Here's your complete buying guide.
Popular References & 2026 Prices
| Ref | Configuration | BNIB | Retail |
|---|---|---|---|
| 278240 | Steel, Smooth, Oyster | $8,500-9,500 | $7,250 |
| 278273 | Two-Tone, Fluted, Jubilee | $12,000-14,000 | $12,250 |
| 276200 | Steel, Smooth, Oyster | $7,800-8,800 | $7,250 |
| 278383RBR | Two-Tone, Diamond, Jubilee | $15,000-17,000 | $14,800 |
| 278271 | Everose Two-Tone, Fluted | $13,000-15,000 | $12,800 |
Why 31mm Is Having a Moment
The watch world is shifting. After decades of "bigger is better," collectors are rediscovering the elegance of smaller watches. The 31mm Datejust sits perfectly between vintage proportions and modern comfort. It works on a 6" wrist as well as a 7.5" wrist.
Best Value Picks
- Best entry: 276200 Silver Oyster — clean, sporty, under $8,000
- Best overall: 278240 Mint Green — trendy color, great on Oyster
- Best dressy: 278273 Green Diamond — two-tone with emerald green and diamond markers
Shop Datejust 31 at Open Wrist — complete sets, blockchain-verified, free shipping.