Strap for Day-Date 36 Yellow Gold Diamonds / President / Champagne Diamond

The lug width of the Rolex Day-Date 36 reference 118388-0019 is exactly 20 millimetres. This width must be verified directly on the case lugs, not on a previous strap which may be deformed. A compatible strap must respect this dimension with a maximum tolerance of ±0.2 millimetres.

An alligator strap hand-tanned with vegetable tanning remains the primary choice: the natural grain of the leather harmonises with the geometric elegance of the case. Vintage calf offers contemporary restraint, whilst cordovan shell guarantees extended durability and deep patina development. For informal use, vulcanised rubber with a slim deployante buckle represents a correct functional alternative.

The procedure requires a spring bar removal tool, a specialist and delicate instrument. Position the watch on a microfibre pad, access the connection pins between lug and strap from beneath the case, and gently compress the internal spring bar to release the old strap. Insert the new strap into the lugs, verifying orthogonal alignment before releasing. If inexperienced, we recommend visiting an authorised Rolex centre.

Yes, if manufactured to 20 millimetre lug width. High-quality artisanal aftermarket straps, such as those offered by milanostraps.it in alligator or cordovan shell finishes, are fully compatible and do not compromise any functional characteristic of the watch. Rolex warranty remains valid; strap change is not a constructive intervention.

A high-quality leather strap with vegetable tanning and artisanal construction has a lifespan of 4–6 years with intensive daily use, extendable to 7–10 years with careful maintenance (drying after perspiration, rotation with other straps, periodic waterproofing). Cordovan shell, thanks to superior molecular density, reaches 8–12 years. The natural patina of the material increases over time, making the strap aesthetically more precious.