Strap for Day-Date 36 White Gold Diamonds / President / White Roman

The Rolex Day-Date 36 with reference 118389-0098 features 20-millimetre lugs. This measurement is the standard for the classic 36 mm model and is the correct specification for purchasing compatible watch straps. Measurement must be taken internally, from the upper contact point to the lower contact point of the case.

Alligator is the most recommended choice for the 118389-0098 in white gold, due to its ability to reflect light in harmony with the metal. Black or anthracite grey alligator maintains the institutional formalism of the model. Alternatively, vegetable-tanned calf leather offers superior durability and the possibility of developing a natural patina over time. Shell cordovan is reserved for those who appreciate the importance of chromatic density and strap longevity.

Strap replacement requires a specific tool (spring bar removal tool) to extract the spring bar lugs from their lateral seats. Position the tool in the small gap between the lug and case, apply gentle inward pressure to release the lug, then withdraw the worn strap. Insert the new strap by snapping the lugs into their seats. We recommend entrusting this operation to a certified watchmaker to avoid damage to the case.

Yes, any strap with a 20-millimetre lug width is compatible with the 118389-0098. However, we recommend selecting straps made by craftsmen who understand the constructive details and aesthetic proportions of the Day-Date. A quality aftermarket strap must feature solid stitching, a precise buckle or deployant, and leather density consistent with the rigour of the original timepiece.

Longevity depends on material, frequency of use, and environmental conditions. A vegetable-tanned calf strap typically lasts 3–5 years with daily wear. Alligator, thanks to its density, can exceed 7–10 years. Shell cordovan is the most durable, with a lifespan extending beyond 10 years if properly maintained. Exposure to direct sunlight, humidity, and perspiration accelerates ageing. Regular maintenance with leather-specific creams and proper drying significantly extend strap life.