Rolex · Lady-Datejust
Strap for Lady-Datejust 28 Platinum Domed / President / Dark Grey
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 279166-0009, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Lady-Datejust 279166-0009?
The Rolex Lady-Datejust 279166-0009 has a lug width of 14mm. This measurement is specific to the 28mm Lady-Datejust case and should be confirmed with a calliper or millimetre ruler at the innermost point between the lugs before purchasing any aftermarket strap.
What is the best strap for the Rolex Lady-Datejust 279166-0009 in platinum?
For a 28mm platinum 950 case, an alligator strap with vegetable tanning in cool tones — slate grey, midnight blue, or deep burgundy — offers the most coherent match in both aesthetic register and material quality. Box calf leather and shell cordovan are strong alternatives depending on the context of wear.
How do you change the strap on a Rolex Lady-Datejust 279166-0009?
The Lady-Datejust 279166-0009 uses Rolex's spring bar system. Strap replacement requires a spring bar tool to release the bars from the lugs. The process is fully reversible and requires no movement intervention. Care should be taken to avoid scratching the platinum case during the operation.
Are there aftermarket straps compatible with the Rolex Lady-Datejust 279166-0009?
Yes. Any strap with a 14mm attachment and standard spring bars is technically compatible with the Lady-Datejust 279166-0009. Milano Straps offers a curated selection of handcrafted 14mm straps, both bespoke and ready-to-wear, available at https://milanostraps.it/collections/cinturini-orologi-per-misura-ansa-14mm, with matching deployant clasps or pin buckles.
How long does a leather strap last on a Rolex Lady-Datejust 279166-0009?
Longevity depends on the material and frequency of use. A quality vegetable-tanned alligator strap, kept away from water and excess perspiration, typically lasts 2–4 years with regular wear. Shell cordovan, owing to its exceptional density, can exceed 5 years. Casati Milano provides an 18-month warranty against manufacturing defects on all straps.
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

