Strap for Datejust 31 Stainless Steel / Yellow Gold / Domed / Olive - Roman / Oyster

The lug width of the Rolex Datejust 31 278243-0015 is 16mm. This measurement is determined by the internal distance between the two lugs on the case. It is essential to select a strap with an attachment precisely dimensioned at 16mm, as an incorrect size would prevent proper spring bar insertion and result in gaps between the case and strap. There is no variability: 16mm is the only compatible width for this reference.

For the Datejust 31 Rolesor yellow, alligator leather in vegetable tanning is the most aesthetically and tactilely coherent choice. Colours such as dark brown (mahogany), slate grey or tortoiseshell create a perfect balance with the 18-carat yellow gold and Oystersteel. Alternatively, shell cordovan offers a more pronounced texture and superior moisture resistance, ideal if the watch is worn in humid environments or during summer. Vegetable-tanned calf with fine grain is perfect for the office, whilst canvas and leather NATO represents a more casual weekend choice.

Strap replacement requires specific tools: a pin remover or a gentle toothpick, preferably made of brass or PTFE to avoid scratching the case. Position the watch on a soft surface (linen or cotton cloth), locate the spring bar connecting the strap to the case, insert the remover into the small lateral hole and gently push the bar outward. Repeat on the other side. Once the old strap is removed, insert the spring bars into the new 16mm strap, aligning the attachment perfectly with the case. Push the bar until it clicks into the safety detent. If you are unsure of the procedure, entrust the work to an authorised Rolex service centre or a specialist watchmaker.

Yes, absolutely. A high-quality aftermarket strap—crafted artisanally from noble materials such as alligator, shell cordovan or vegetable-tanned calf—is not only compatible, but often offers superior aesthetics and construction quality compared to standard Rolex straps. The only essential requirement is that the lug width be precisely dimensioned at 16mm and that the spring bars be correctly sized for the case. A bespoke artisanal strap allows you to choose the leather, texture, colour and finish to adapt the Datejust to your personal style in a way that official Rolex straps do not permit.

The lifespan of a leather strap depends on usage, material and maintenance. A quality alligator or shell cordovan, worn daily on a Rolex Datejust 31, typically lasts between 3 and 5 years before showing visible signs of wear (tears, splitting in the buckle area). Calf leather has slightly lower durability, between 2 and 4 years, as the fibre is finer. Patina and minor signs of wear begin immediately—after a few weeks—but this is not deterioration: it is the strap adapting to your wrist and developing character. To extend useful life, avoid prolonged water immersion, expose the strap to open air regularly to eliminate moisture, and use a quality leather lotion every 6-12 months. A well-maintained strap can last beyond 5 years with splendid patina.