Rolex
Lady-Datejust 279458RBR-0001— lug 14mm

The Rolex Lady-Datejust 279458RBR-0001 has a lug width of 14mm. This measurement is taken with a calliper between the two lugs of the 28mm yellow gold case, at the narrowest point of the spring bar channel. Respecting this measurement is essential to ensure a correct fit without lateral play.

For a yellow gold 18-carat case set with diamonds and rubies, an alligator strap with vegetable tanning is the most coherent choice in formal terms. The belly grain complements the texture of the Fluted bezel. Shell cordovan with a natural patina is ideal for those who prefer a more uniform surface. In either case, a deployant clasp in yellow gold maintains metallic symmetry with the case.

Changing the strap requires a spring bar tool to remove the spring bars housed in the 14mm lugs. It is advisable to rely on a watchmaker or specialist atelier to avoid scratching the 18-carat yellow gold lugs. Casati Milano offers this service by appointment, with personalised assistance throughout the process.

Yes, there are high-quality aftermarket straps compatible with the Lady-Datejust 279458RBR-0001. The lug width must be exactly 14mm and the strap profile should respect the curvature of the 28mm case. Milano Straps offers a selection of 14mm straps in alligator, calf leather and cordovan, available bespoke or ready to ship online.

The longevity of a leather strap depends on the quality of the hide and daily care. A vegetable-tanned alligator strap, kept away from moisture and rotated regularly with other straps, retains its structural integrity for 3 to 5 years with daily wear. Shell cordovan tends to last even longer due to the density of its fibres. Casati Milano offers an 18-month guarantee against manufacturing defects.