Rolex · Lady-Datejust
Strap for Rolex Lady-Datejust 279175
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 279175, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Lady-Datejust 279175?
The Rolex Lady-Datejust 279175 has a lug width of 14mm, measured internally between the two case horns at the strap attachment point. This measurement should be taken with a digital calliper to ensure precision. Any replacement strap must match this dimension exactly to ensure a proper fit and maintain the visual balance of the 28mm case.
What is the best strap for the Rolex Lady-Datejust 279175 in Everose gold?
For the Lady-Datejust 279175 in 18ct Everose gold, alligator straps with a Hornback grain in bordeaux, cognac or Havana tones offer the most coherent aesthetic pairing with the warm hues of the alloy. Vegetable-tanned calf leather develops a patina that gradually harmonises with the case. For formal occasions, shell cordovan provides a compact, even surface that pairs naturally with a rose gold deployant clasp.
How do you change the strap on the Rolex Lady-Datejust 279175?
The strap on the Lady-Datejust 279175 is secured by standard 14mm spring bars. Replacement requires a fine-tipped spring bar tool or a thin flat-head screwdriver to release the bar from the lug hole. Work on a soft surface to protect the case from scratches. Casati Milano offers strap fitting during atelier appointments or provides detailed fitting instructions for self-installation.
Are there aftermarket straps compatible with the Rolex Lady-Datejust 279175?
Yes. Any aftermarket strap with a 14mm lug width and straight or slightly curved ends is compatible with the Lady-Datejust 279175. Milanostraps.it offers a curated selection of handcrafted straps by Casati Milano, produced specifically in 14mm width using fine leathers with hand-stitched edges. Spring bars are included and fitting requires no case modification.
How long does a leather strap last on the Rolex Lady-Datejust 279175?
Strap longevity depends on the material, frequency of wear and maintenance. A vegetable-tanned alligator strap worn daily with proper care retains its structural integrity and appearance for three to five years. Shell cordovan, owing to the density of the equine subcutaneous fibres, frequently exceeds five years. Avoiding prolonged exposure to water, perfume and perspiration significantly extends strap life. Casati Milano provides an 18-month warranty against manufacturing defects.
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

