Rolex
Datejust 6605— lug 20mm

The lug width of the Rolex Datejust 6605 is 20 mm. This is a fixed dimension determined by the structure of the 18-carat yellow gold case. To verify it, measure the internal distance between the two lugs at the strap attachment point using a precision calliper.

For the Datejust 6605 in 18-carat yellow gold, an alligator strap in vegetable-tanned leather with a regular belly grain is the most aesthetically coherent choice. Warm tones such as cognac, tobacco or honey complement the precious metal. Shell cordovan offers a characterful alternative, developing a patina that improves with wear. In both cases, a deployant clasp provides the most secure and balanced closure.

To replace the strap on a Datejust 6605, use a flat-tip or fork-tip spring bar tool inserted into the hole on each lug. Compressing the spring bar releases the existing strap. It is advisable to work on a watchmaker's cushion to protect the gold case surfaces. The operation requires no specialist skills but should be carried out carefully to avoid scratching the polished surfaces.

Yes, the aftermarket offers a wide range of 20 mm straps compatible with the Rolex Datejust 6605. It is essential to choose artisan makers who respect the correct lug length and case curvature radius, as these factors affect the aesthetic fit. Milanostraps.it offers handcrafted leather straps made specifically for the 20 mm lug width.

The lifespan of a leather strap depends on the quality of the raw material and frequency of use. A high-grade vegetable-tanned alligator strap, kept away from prolonged moisture and treated periodically with appropriate conditioners, can last between 3 and 7 years with regular wear. Shell cordovan tends to last longer due to the density of its fibres. A deployant clasp reduces mechanical stress on the strap and extends its useful life.