Rolex · Lady-Datejust
Strap for Lady-Datejust 28 Rolesor Yellow Diamond / Oyster / Champagne Diamond
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 279383rbr-0012, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Lady-Datejust 279383rbr-0012?
The Rolex Lady-Datejust 279383rbr-0012 features a lug width of 14mm. This measurement is specific to the 28mm Lady-Datejust line and should be taken between the two lower lugs of the case using a digital calliper. It is essential to verify this dimension before purchasing an aftermarket strap, as standard 13mm or 16mm straps are not compatible.
What is the best strap for the Rolex Lady-Datejust 279383rbr-0012?
For the Lady-Datejust 279383rbr-0012 in yellow gold Rolesor, the most suitable straps are smooth alligator in champagne, cognac, or black tones, or shell cordovan for a more pronounced sartorial character. Vegetable-tanned calfskin with a smooth finish is an elegant alternative for everyday wear. All straps must have a 14mm lug width. A yellow gold deployant clasp ensures visual coherence with the Rolesor case.
How do you change the strap on a Rolex Lady-Datejust 279383rbr-0012?
To replace the strap on the Lady-Datejust 279383rbr-0012, a fine-tipped spring bar tool is required to remove the spring bars securing the bracelet to the 14mm lugs. It is advisable to work on a soft surface to avoid scratching the Rolesor case. The new 14mm strap is fitted by pressing the spring bars into the lug holes. If in doubt, it is preferable to consult a watchmaker or the Casati Milano atelier.
Are there aftermarket straps compatible with the Rolex Lady-Datejust 279383rbr-0012?
Yes, there are high-quality aftermarket straps compatible with the Lady-Datejust 279383rbr-0012, provided they have a 14mm lug width. Milanostraps.it offers a dedicated selection of handcrafted straps in this size, made from premium leathers such as alligator, shell cordovan, and vegetable-tanned calfskin. Each strap is hand-finished and available with a buckle or deployant clasp in various metal finishes.
How long does a leather strap last on the Rolex Lady-Datejust 279383rbr-0012?
The lifespan of a leather strap on the Lady-Datejust 279383rbr-0012 depends on the material and daily use. A quality alligator strap, with proper care, typically lasts 2 to 4 years with regular wear. Shell cordovan develops a patina over time and tends to be more durable due to the density of its fibres. Prolonged contact with water, perfume, and perspiration should be avoided, and rotating between several straps will extend their lifespan. Casati Milano straps carry 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

