Rolex
Lady-Datejust 279138rbr-0011— lug 14mm

The Rolex Lady-Datejust 279138rbr-0011 features a 28mm case with a 14mm lug width. This measurement is consistent across the entire Lady-Datejust 28mm family and defines the strap width required for both OEM and aftermarket replacements.

For a yellow gold case with a diamond-set bezel, a vegetable-tanned alligator strap with a polished finish is the most aesthetically coherent choice. The belly grain texture creates a refined contrast with the case surface. Shell cordovan is an excellent alternative, as it develops a distinctive patina over time that complements the character of the watch.

The strap is removed by compressing the spring bars connecting it to the case lugs. A flat-tipped spring bar tool or a watchmaker's screwdriver is required. Insert the tool into the spring bar notch, compress the bar and slide the strap free. Care must be taken to avoid scratching the yellow gold case. If in doubt, entrust the operation to a qualified watchmaker.

Yes. Any 14mm strap with standard spring bars is compatible with the Rolex Lady-Datejust 279138rbr-0011. Milano Straps offers a curated selection of handcrafted straps in alligator, calf leather, shell cordovan and rubber, all available in 14mm width and finished to bespoke standards.

The lifespan of a leather strap depends on material quality, frequency of wear and exposure conditions. A high-grade alligator or shell cordovan strap, kept away from water, excessive perspiration and prolonged direct sunlight, will retain its integrity for 3 to 5 years with daily use. Vegetable-tanned leathers develop a natural patina that enhances their appearance over time.