Strap for Rolex Day-Date 36 1813

The Rolex Day-Date 36 reference 1813 has a lug width of 20 mm. This is the standard measurement across the entire 36 mm Oyster case line and ensures compatibility with aftermarket straps as well as original President and Jubilee bracelets.

For the Day-Date 36 1813 in white gold with a diamond-set bezel, a polished hornback alligator strap at 20 mm offers the most coherent aesthetic pairing. Vegetable-tanned box-calf leather develops a distinguished patina over time, whilst shell cordovan provides a compact, refined surface for a more understated look.

The strap is removed using a fine-tipped springbar tool inserted into the lug hole to compress the spring bars. Care must be taken to avoid scratching the white gold case; placing a protective cushion beneath the watch is advisable. Alternatively, a watchmaker or the Casati Milano atelier can carry out the replacement professionally.

Yes. Any strap with a 20 mm lug width and curved ends compatible with the Oyster case geometry fits the Day-Date 36 1813. Milanostraps.it offers handcrafted straps in alligator, calf leather, shell cordovan, and rubber, available both bespoke and ready to ship, all compatible with the 20 mm lugs of this reference.

Longevity depends on the material and frequency of wear. A quality alligator strap, regularly conditioned and rotated with other straps, can last between three and five years whilst retaining its structural and aesthetic integrity. Vegetable-tanned calf develops patina but is more susceptible to moisture; shell cordovan offers the greatest resistance to surface abrasion. Milanostraps.it provides an 18-month guarantee against manufacturing defects.