Rolex · Lady-Datejust
Strap for Lady-Datejust 28 Rolesor Rose Diamond / Jubilee / Chocolate 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 279381rbr-0011, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Lady-Datejust 279381rbr-0011?
The Rolex Lady-Datejust 279381rbr-0011 has a lug width of 14 mm. This measurement is standard across the entire Lady-Datejust 279xx series and is not interchangeable with straps designed for the Datejust 36 or 41 mm, which require 20 mm lugs. To confirm compatibility, measure the internal gap between the lugs at the 6 o'clock position using a digital calliper.
What is the best strap for the Rolex Lady-Datejust 279381rbr-0011?
For this Everose gold and steel reference with a diamond-set bezel, a vegetable-tanned alligator strap is the most coherent choice for formal occasions, owing to its scaled grain and the patina it develops over time. Shell cordovan is preferable for those seeking a more compact texture and superior resistance to deformation. For daily or casual wear, a vulcanised rubber strap in 14 mm is a practical alternative.
How do you change the strap on a Rolex Lady-Datejust 279381rbr-0011?
Strap replacement is carried out using 14 mm spring bars, removed with a bifurcated spring bar tool. To avoid scratching the Everose gold surfaces or the brushed steel lugs, it is advisable to entrust this operation to a watchmaker or a specialist atelier. When performed correctly, the procedure takes less than five minutes.
Are there aftermarket straps compatible with the Rolex Lady-Datejust 279381rbr-0011?
Yes, the aftermarket offers a range of 14 mm straps compatible with the Lady-Datejust 279381rbr-0011. Milano Straps and Casati Milano craft bespoke straps to this lug width in alligator, calf leather, shell cordovan, and rubber. It is essential that the spring bars have the correct diameter (typically 1.5 mm) to fit the original Oyster lugs without forcing.
How long does a leather strap last on a Rolex Lady-Datejust 279381rbr-0011?
The lifespan of a leather strap depends on the quality of the hide and frequency of use. A first-grade vegetable-tanned alligator strap, with periodic conditioning (nourishing cream every 3–4 months), can last between 3 and 7 years. Regular exposure to water, perfume, and perspiration accelerates deterioration: it is advisable to rotate between several straps and store them away from direct heat sources.
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

