Strap for Day-Date 36 White Gold Fluted / Oyster / Silver Diamond Emerald

The lug width of the Rolex Day-Date 36 reference 118239-0271 is 20mm. This measurement refers to the internal distance between the two lugs of the Oyster case in white gold and is the key parameter for selecting a compatible strap. The lugs have a straight profile, so straight-ended straps are required rather than curved-end ones.

For a white gold case such as that of the Day-Date 36 118239-0271, the most suitable straps are alligator with Hornback grain in anthracite or midnight blue tones, shell cordovan in bordeaux for those seeking progressive patina, or vegetable-tanned calf leather in cool shades such as smoke grey. A white gold deployant clasp completes the pairing whilst maintaining metallic coherence with the case.

The strap on the Rolex Day-Date 36 is replaced by removing the spring bars connecting the strap to the lugs of the Oyster case. It is advisable to use a fine-tipped spring bar tool to avoid scratching the white gold surface. The operation can be carried out by a watchmaker or, with due care, by the owner using appropriate tools. The lug width to observe is 20mm.

Yes, there are numerous aftermarket straps compatible with the Rolex Day-Date 36 with a 20mm lug width. Milanostraps.it offers handcrafted straps made to measure for this configuration, in alligator leather, vegetable-tanned calf and shell cordovan, with buckles or deployant clasps available in various metal finishes including white gold PVD. Compatibility depends on the 20mm lug width and the straight geometry of the strap ends.

The longevity of a leather strap depends on the quality of the hide, the tanning process and daily use. A high-quality alligator or shell cordovan strap, properly maintained — avoiding prolonged contact with water and perspiration, and rotating between several straps — can last between 3 and 6 years whilst retaining a dignified appearance. Casati Milano offers an 18-month warranty against manufacturing defects on all handcrafted straps.