Strap for Datejust 31 Stainless Steel / Yellow Gold / Domed / White - Roman / Jubilee

The lug width of the Rolex Datejust 31 ref. 278243-0002 is 16mm. This measurement refers to the internal opening between the case lugs and is critical for the correct fitment of any aftermarket strap. It is advisable to verify this with a digital calliper positioned between the lugs before purchasing a replacement strap.

For a Rolesor case in steel and yellow gold, alligator straps in cognac or honey tones complement the gold elements effectively, while vegetable-tanned calf leather is the most versatile option for daily wear due to the patina it develops over time. Shell cordovan suits those who prefer a dense grain with a natural lustre. In all cases, the strap lug width must be precisely 16mm.

The original bracelet or strap of the Datejust 31 is removed using a dedicated flat-blade screwdriver or spring bar tool, applying gentle pressure to the spring bars connecting the strap to the case lugs. Care must be taken to avoid scratching the gold lugs. For aftermarket straps with straight 16mm ends, simply replace the original spring bars with those supplied with the new strap.

Yes. Any strap with a 16mm lug width and straight ends is technically compatible with the Datejust 31 ref. 278243-0002. Milano Straps offers a curated selection of handcrafted straps in various leathers and finishes, specifically available in 16mm, with bespoke options through the Casati Milano atelier.

The lifespan of a leather strap depends on the material and care. A quality alligator strap, with regular alternated daily wear, typically lasts 2–4 years. Vegetable-tanned calf leather generally lasts 1–3 years. Shell cordovan, owing to its structural density, is among the most durable options. To preserve the strap, avoid prolonged exposure to water and apply a neutral leather conditioner periodically.