Strap for Datejust 31 Yellow Gold Diamond / President / Paved Roman

The Rolex Datejust 31 ref. 178288-0032 has a lug width of 16mm. This is a case-specific measurement and is not interchangeable with other Datejust variants. Before purchasing any aftermarket strap, always verify this dimension using a millimetre calliper by measuring the internal distance between the two lugs.

For a yellow gold Datejust 31, an alligator strap with vegetable tanning in cognac, bordeaux or honey tones is the most coherent choice given the watch's formal register. Shell cordovan is an elegant alternative for those who prefer smooth, minimalist surfaces. Both materials develop a patina over time, increasing the aesthetic value of the pairing.

The strap is secured by spring bars housed within the lugs. Using a dedicated spring bar tool or fork-tipped screwdriver, compress each spring bar laterally to release it from the lug. Care must be taken not to scratch the gold case during the operation. For a watch of this value, it is advisable to consult a professional watchmaker or strap specialist for the first replacement.

Yes. The aftermarket offers straps in leather, alligator, cordovan and fabric specifically built for the 16mm lug width of the Datejust 31. It is essential that the attachment width is precisely 16mm and that the spring bars are of the correct diameter and length for the Oyster case. Milanostraps.it offers a curated selection of handcrafted 16mm straps verified for this reference.

Longevity depends on the material and intensity of use. A quality alligator strap, maintained with appropriate exotic leather cream, retains its structural and aesthetic integrity for 3–5 years of daily wear. Shell cordovan is notably more resistant to wear and can exceed 5 years. Vegetable-tanned calf leather, whilst aesthetically excellent, is more susceptible to perspiration and humidity, with an estimated lifespan of 2–3 years with proper care.