Strap for Datejust 36 Stainless Steel Fluted / Oyster / White Roman

The lug width (misura ansa) of the Rolex Datejust 36 reference 116234-0090 is 20 millimetres. This measurement is determined by the distance between the two case lugs and is essential for selecting a compatible strap. To verify it with precision, use a digital calliper positioned perpendicularly between the lugs inside the case.

There is no single 'best' option, but rather a choice based on intended use. For formal contexts, alligator leather delivers classical elegance with a developing patina over time. Shell cordovan is ideal if you desire exceptional longevity and a deep, rich patina. Italian calf suits corporate environments with its uniform, smooth surface. For summer or daily wear, a NATO or FKM rubber strap offers practicality and moisture resistance.

Strap replacement requires precision: use a spring bar tool to gently disengage the elastic pin from one of the lugs, applying inward pressure against the case. Once disengaged, remove the old strap and insert the new one by aligning the holes with the shoulders of the new strap. Reposition the spring bar until you hear a secure 'click'. If you prefer to avoid potential damage, entrust the task to a professional service.

Yes, provided it respects the 20-millimetre lug width. High-quality artisanal aftermarket straps (such as those from Milanostraps) offer compatibility and durability comparable to official Rolex straps. Always verify that the strap's thickness and width do not impede correct case closure, and favour craftspeople who explicitly confirm compatibility with your model.

Longevity depends on material and maintenance. High-quality alligator or calf leather typically lasts 5–7 years with daily wear and normal exposure. Shell cordovan, thanks to its dense fibrous structure, can exceed 10 years if maintained carefully (avoid moisture pooling and apply a protective balm occasionally). Vegetable-tanned leather may deteriorate more rapidly (3–5 years) if exposed to excessive humidity or temperature fluctuations.