Strap for Datejust 36 Stainless Steel / Yellow Gold / Diamond / Silver Roman Diamond / Jubilee

The lug width of the Rolex Datejust 36 126283RBR-0017 is 20 millimetres. This measurement represents the distance between the two lug pins and is critical for strap compatibility. An incorrect measurement would result in poor fitment. To verify, use a digital calliper positioned on the inside face of the lug, from pin to pin, excluding any case protrusions.

The choice depends on intended use. For formal contexts, alligator remains the standard: directional fibres offer an elegant, refined profile. Vegetable-tanned calf develops a unique patina over time, creating increasing aesthetic character. Shell cordovan guarantees maximum robustness and durability, with natural lustre intensifying with age. For robust daily wear, high-density FKM rubber ensures resistance to impacts without visual compromise.

Strap replacement requires a spring bar tool. Locate the two lateral pins securing the lug to the case. Using the spring bar tool, gently press the small helical pin underneath, which releases the internal spring, allowing pin extraction. Once the pin is removed, the lug detaches from the case. Repeat on the opposite side. To install the new strap, align the lug holes with the lateral pins and reinsert the pin until the spring clicks into position. This procedure is easily performed at home with patience and appropriate tools.

An original Rolex strap is manufactured to exceptionally rigorous specifications, with materials always of top quality and standardised mechanical construction. A high-quality aftermarket strap—such as those from Casati Milano—may exceed the original in terms of personalised aesthetics, peltry selection, and artisanal finishing. However, the original guarantees perfect geometric compatibility and Rolex warranty certification. A quality aftermarket strap ensures equivalent longevity, more interesting patina development over time, and customisation possibilities impossible with the original.

Lifespan depends on material and usage. A quality artisanal alligator strap, worn daily with reasonable care, resists 4-6 years before showing significant wear signs. Shell cordovan easily exceeds 8-10 years of useful life, thanks to superior structural density. Vegetable-tanned calf varies between 3-5 years, but develops a patina highly appreciated by collectors. High-density FKM rubber resists 5-7 years if protected from prolonged direct sunlight. All these materials benefit from regular cleaning (warm water and neutral soap) and storage in a dry location when not worn.