Best straps for the Rolex Datejust 31
17 mm lugs, 31 mm case, reference 278240 (since 2018). Try a strap below; the drawing is to scale.
Strap
Colour: Steel
Strap width17 mm
At the buckle13 mm
Lug to lug37 mm
Looks that work on the Rolex Datejust 31
Rolex Datejust 31 specs
- Made
- since 2018
- Case
- 31 mm × 10.5 mm thick
- Lug width
- 17 mm
- Lug to lug
- 37 mm
- Case material
- Oystersteel
- Movement
- Calibre 2236, automatic
- Water resistance
- 100 m
From the maker's published figures, gathered with AI help and not yet checked against a watch in hand. Measure your lugs before you buy.
Strap size for the Rolex Datejust 31
What size strap fits the Rolex Datejust 31?
The Rolex Datejust 31 takes 17 mm straps: its lug width is 17 mm. A leather strap will usually taper to 15 mm at the buckle.
How big is the Rolex Datejust 31?
The case is 31 mm across, and about 37 mm from lug tip to lug tip.
What strap looks best on the Rolex Datejust 31?
Good options are a black leather strap, a dark brown leather strap, a grey suede strap. Try them all on the drawing above.
Sizes come from published specs. Check yours before you buy: how to measure lug width.