Strap for Cosmograph Daytona White Gold / Meteorite

The lug width of the Rolex Daytona 116509-0073 is 20mm. This measurement is taken as the distance between the inner edges of the case lugs. It is the standard construction specification for large sports Rolex chronographs, where the spacing is engineered to accommodate straps capable of distributing the significant weight of white gold without lateral play.

For the Daytona 116509-0073 in white gold, vegetable-tanned alligator represents the finest choice: its fine grain, suppleness and structural resilience ensure elegant drape and longevity. Shell cordovan—particularly in cognac or deep burgundy tones—and French calf represent refined alternatives. NATO or natural rubber remain functional options for specific applications.

Changing the strap on a Daytona with 20mm lugs requires specialised tools: a spring bar tool (pin removal lever) to detach and install the securing pins. Position the watch on a stable support, push the pin upward with the spring bar tool to release the retaining spring, extract the old strap and insert the new one ensuring perfect alignment. The process must be executed with precision to avoid damaging the lugs.

The Rolex Daytona 116509-0073 requires straps with 20mm lug width. All straps manufactured to this specification are compatible: alligator, crocodile, calf, shell cordovan, rubber or technical textiles, provided they meet this width standard. On milanostraps.it a complete collection of artisanal options in this size is available with warranty and specialist consultation.

The lifespan of a leather strap depends on material quality, tanning method and frequency of use. A quality artisanal vegetable-tanned alligator or shell cordovan maintains structural integrity for 4-7 years of regular wear; the patina evolves creating character. Calf has comparable longevity. Humidity conditions, sun exposure and maintenance (periodic cleaning, thorough drying) significantly influence durability. Artisanal Casati Milano straps benefit from an 18-month warranty against manufacturing defects.