Rolex
Datejust 31
Ref. 278240
- Case diameter
- 31 mm
- Manufacturer spec
- Lug-to-lug
- —
- Not published
- Thickness
- —
- Not published
- Lug width
- —
- Not published
Retail price $7,900 (US, Oct 2026)
We have not verified this watch’s lug-to-lug yet, so we can’t draw it on a wrist. Case diameter alone is a poor guide to fit.
Specifications
- Reference
- 278240
- Collection
- Datejust
- Status
- In production
- Case material
- Oystersteel
- Crystal
- sapphire
- Water resistance
- 100 m
- Bezel
- domed
- Dial
- bright blue (varies by variant)
- Strap / bracelet
- Jubilee bracelet, five-piece links, concealed Crownclasp
- Style
- Dress, Everyday
Movement
- Caliber
- Rolex 2236
- Type
- automatic
- Power reserve
- 55 hours
- Accuracy
- -2/+2 s/day (Superlative Chronometer)