Rolex · Lady-Datejust
Strap for Lady-Datejust 28 Platinum Domed / President / Pink 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 279166-0012, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Lady-Datejust 279166-0012?
The Rolex Lady-Datejust reference 279166-0012, featuring a 28mm platinum 950 case, has a lug width of 14mm. This measurement is specific to the 28mm Lady-Datejust and requires straps cut precisely to this dimension to ensure accurate fitting and eliminate lateral play at the lugs.
What is the best strap for the Rolex Lady-Datejust 279166-0012?
For the Lady-Datejust 279166-0012 in platinum with an Ice Blue bezel, the most coherent choices are hornback alligator in smoke grey or midnight blue, black box calf leather for a formal sartorial register, and shell cordovan in burgundy for those seeking a distinctive patina over time. All straps must be cut to 14mm lug width.
How do you change the strap on a Rolex Lady-Datejust 279166-0012?
The strap is removed using a dedicated springbar tool or fork-style lever, applying gentle pressure on the spring bars that secure the strap to the lugs. It is advisable to work on a soft surface to protect the platinum case from scratches. If in doubt, entrust the operation to a qualified watchmaker or the Casati Milano atelier.
Are there aftermarket straps compatible with the Rolex Lady-Datejust 279166-0012?
Yes. Any strap with a 14mm lug width is technically compatible with the 279166-0012. Milano Straps offers a selection of handcrafted aftermarket straps in alligator, calf leather, shell cordovan and rubber, all cut to 14mm and crafted from high-quality materials in keeping with the standards of the timepiece.
How long does a leather strap last on a Rolex Lady-Datejust?
Longevity depends on the material and care: a quality alligator strap, regularly conditioned and protected from moisture, retains its structural and aesthetic integrity for 3–5 years with daily wear. Box calf has an average lifespan of 2–3 years. Shell cordovan, owing to its dense fibre structure, is the most durable of traditional leathers. Milano Straps provides an 18-month manufacturing warranty 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

