Strap for Datejust 31 Stainless Steel Fluted / Jubilee / Grey

The lug width of the Rolex Datejust 31 ref. 278274-0016 measures exactly 16 millimetres. This measurement is taken from the centre of the upper spring bar pin to the centre of the lower spring bar pin, where the strap attaches. Verifying this dimension is essential to ensure proper compatibility and aesthetic proportion of any aftermarket strap.

We recommend alligator leather in dark brown or polished black, which creates striking contrast between the stainless steel and white gold case. Alternatively, Japanese shell cordovan develops a rich patina over time, whilst vegetable-tanned calf leather offers daily comfort whilst maintaining formal elegance and is particularly suitable for those seeking flexibility without compromising aesthetics.

To change the strap, extract the spring bars from the lug pins using a dedicated spring bar tool. Position the watch with the case facing upwards, gently push the spring bar downward, and slide the old strap away. Insert the new strap, align it with the lugs, and push the spring bars until you hear or feel a distinct click confirming they are secured.

No. High-quality artisanal straps from specialised ateliers offer excellent compatibility with 16mm lugs and frequently provide superior personalisation options in materials and construction. The critical factor is verifying the correct lug width and ensuring the buckle or deployant clasp is robustly engineered.

A premium leather strap (alligator, shell cordovan, calf) typically lasts 3 to 5 years with daily use, depending on the tanning method, sun exposure, and humidity levels. Vegetable tanning develops character through patina; chrome tanning offers greater durability but less aesthetic evolution. Regular care and rotating between multiple straps significantly extends lifespan.