Rolex · Lady-Datejust
Strap for Lady-Datejust 28 Everose Diamond / President / Paved Roman
Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Lady-Datejust 279135rbr-0021, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Lady-Datejust 279135rbr-0021?
The lug width of the Rolex Lady-Datejust 279135rbr-0021 is 14mm. This dimension is fixed and non-interchangeable with adjacent sizes: straps must be manufactured precisely to this specification to ensure correct alignment with the 18-carat Everose gold case.
What is the best strap for the Rolex Lady-Datejust 279135rbr-0021?
For the Lady-Datejust 279135rbr-0021 with its Everose gold case, smooth alligator straps in bordeaux, slate grey or navy offer the optimal balance between formal register and chromatic coherence. Alternatively, vegetable-tanned calfskin develops a patina that complements the warm tone of rose gold. For sport or outdoor use, a vulcanised rubber strap maintains full water resistance without altering the overall silhouette.
How do you change the strap on a Rolex Lady-Datejust 279135rbr-0021?
Replacing the strap on the Lady-Datejust 279135rbr-0021 requires a dedicated spring bar tool inserted into the lug hole to release the spring bars. It is advisable to work on a soft surface to protect both the case and the diamond-set bezel from accidental scratches. If in doubt, it is recommended to consult a watchmaker or the Casati Milano atelier.
Are there aftermarket straps compatible with the Rolex Lady-Datejust 279135rbr-0021?
Yes, high-quality aftermarket straps compatible with the Rolex Lady-Datejust 279135rbr-0021 are available, provided they are manufactured with a 14mm lug width. Milano Straps offers a selection of handcrafted straps in alligator, calfskin, shell cordovan and rubber, all finished and punched to 14mm without any adaptation. Ready-to-ship options are available online, or a bespoke strap can be commissioned through the Casati Milano atelier.
How long does a leather strap last on a Rolex Lady-Datejust 279135rbr-0021?
The lifespan of a leather strap depends on material quality, frequency of use and care. A handcrafted alligator or vegetable-tanned calfskin strap, kept away from excessive moisture and treated periodically with suitable conditioners, can last between 3 and 6 years while retaining its structural integrity and appearance. Shell cordovan, owing to the density of its fibres, generally offers the greatest longevity among available leathers.
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only

