Rolex · Lady-Datejust
Strap for Lady-Datejust 28 Yellow Gold Fluted / President / Silver 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 279178-0020, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Lady-Datejust 279178-0020?
The Rolex Lady-Datejust 279178-0020 has a lug width of 14mm. This measurement is specific to the 28mm variant of the Lady-Datejust family and differs from the 31mm (16mm) and 36mm (20mm) versions. To verify it, use a calliper to measure the internal distance between the lugs on the caseback.
What is the best strap for the Rolex Lady-Datejust 279178-0020?
For the Lady-Datejust 279178-0020 in yellow gold, a vegetable-tanned alligator strap is the most coherent choice with the watch's formal register: the belly grain develops a personalised patina over time. Shell cordovan is the connoisseur's choice thanks to its naturally waxy surface. For more versatile daily wear, smooth black or burgundy box-calf leather is a reliable alternative.
How do you change the strap on a Rolex Lady-Datejust 279178-0020?
The Lady-Datejust 279178-0020 uses standard 14mm spring bar lugs. To replace the strap, a fine-tipped spring bar tool is required to release the fixing springs inside the lugs. It is advisable to work on a soft surface to protect the yellow gold case. If in doubt, consult a watchmaker or the Casati Milano atelier.
Are there aftermarket straps compatible with the Rolex Lady-Datejust 279178-0020?
Yes, high-quality aftermarket straps compatible with the Rolex Lady-Datejust 279178-0020 are available, provided they have a 14mm attachment and are manufactured to precise tolerances. Milano Straps offers a selection of 14mm straps in alligator, calf leather, shell cordovan and rubber, handcrafted and compatible with this reference. The buckle or deployant clasp must also be proportioned to the 14mm width.
How long does a leather strap last on a Rolex Lady-Datejust 279178-0020?
The lifespan of a leather strap depends on the material, tanning quality and daily use. A premium vegetable-tanned alligator strap, with proper care (avoid direct water contact, apply leather conditioner every 3–6 months), can last 3 to 7 years while maintaining an excellent appearance. Shell cordovan is particularly resistant to wear. Milano Straps offers an 18-month guarantee 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

