Strap for Datejust 36 Stainless Steel / Diamond / White Roman / Jubilee

The Rolex Datejust 36 126284RBR-0017 features a lug width (ansa) of 20 millimetres. This is the standard specification for this model and determines compatibility with any aftermarket strap. To verify, position a digital calliper between the two lugs on the case, at the strap seating point, ensuring you measure precisely the distance between the internal attachments.

For the two-tone white gold and steel combination, we recommend alligator leather in vegetable tanning: the natural texture of the scales creates sophisticated visual contrast with the mixed metals, and the patina that develops over time imparts colour depth. Alternatively, dark brown vitello (cognac tone) softens the two-tone contrast, whilst polished black alligator is the most formal choice. For a contemporary approach, naturally vulcanised rubber integrates the modernity of the 3235 calibre.

Strap changing requires specific tools: a spring bar tool and a padded work support. Position the watch horizontally, locate the spring bar located laterally on the lower lug, gently push it downward to extract it, then remove the strap from the lugs. Insert the new strap ensuring the spring bar clicks securely into position. If you lack the specific tools or prefer to avoid risk, contact an authorised Rolex service centre.

Any high-quality strap with a 20-millimetre lug width is mechanically compatible. The aesthetic and functional choice depends on context of use: for formal wear, black alligator; for daily-elegant wear, brown vitello; for versatility and moisture resistance, shell cordovan in vegetable tanning. At Milano Straps you will find a selection of artisanal straps specifically crafted for this specification.

A quality leather strap, with routine maintenance, has an average lifespan of 3–5 years with daily wear. Vegetable tanning, whilst less resistant than industrial chrome tanning, offers superior aesthetic ageing and greater environmental sustainability. Factors such as humidity, frequency of wear and preventative care directly influence service life. Simple six-monthly treatment with leather-specific creams substantially extends the strap's useful life.