Rolex · Lady-Datejust

Strap for Lady-Datejust 28 Yellow Gold Diamond / President / Silver

Takes 14 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width14 mm
Case diameter28 mm
Reference279138rbr-0005
FamilyLady-Datejust
MovementRolex caliber 2236 Hours, Minutes, Seconds | Date | Chronometer
CaseYellow Gold

Recommended spring bar

Spring bars Rolex Lady-Datejust 14mm — 1.5mm diameter

Technical match for lug width and diameter · lug 14 mm · Ø 1.5 mm

All Rolex spring barsOpen →

The Lady-Datejust 279138rbr-0005, seen from the bench

The Lady-Datejust represents the feminine version of the classic Rolex Datejust, originally introduced in the 1950s. It houses the automatic Caliber 2236 with chronometer certification and functions of hour, minute, second and date. The case features 14mm lugs, sized for the female wrist.

Frequently asked questions

What is the lug width of the Rolex Lady-Datejust 279138rbr-0005?

The lug width of the Rolex Lady-Datejust 279138rbr-0005 is 14 mm. This measurement refers to the internal distance between the two lugs of the case, where the strap attaches. It is a specific dimension of the 28 mm Lady-Datejust format and requires straps manufactured to precise millimetric tolerances to ensure correct fitment and impeccable visual alignment.

What is the best strap for the Rolex Lady-Datejust 279138rbr-0005?

For the Lady-Datejust 279138rbr-0005 in yellow gold with a diamond and ruby bezel, a vegetable-tanned alligator strap is the most formally coherent choice. The belly grain of the crocodile leather complements the gem-set bezel without competing with it. Alternatively, shell cordovan offers a naturally lustrous surface that develops a distinguished patina over time. A yellow gold deployant clasp maintains metallic consistency with the case.

How do you change the strap on a Rolex Lady-Datejust 279138rbr-0005?

To replace the strap on the Lady-Datejust 279138rbr-0005, use a spring bar tool — either a lever-tip or pointed-tip variant — inserting it into the small hole on the side of the lug to compress the spring bar inward. Care must be taken to avoid scratching the yellow gold lugs. The operation should be performed on a soft surface. If in any doubt, we recommend entrusting the task to a qualified watchmaker or a specialist atelier such as Casati Milano.

Are there aftermarket straps compatible with the Rolex Lady-Datejust 279138rbr-0005?

Yes, high-quality aftermarket straps compatible with the Rolex Lady-Datejust 279138rbr-0005 are available. The primary compatibility parameter is the 14 mm lug width. Milano Straps offers a curated selection of handcrafted straps in alligator, calf leather, and shell cordovan, produced to precise tolerances to ensure correct fitment between the original yellow gold lugs without any modification to the case.

How long does a leather strap last on a Rolex Lady-Datejust 279138rbr-0005?

The lifespan of a leather strap on a Lady-Datejust 279138rbr-0005 depends on the leather type, frequency of use, and maintenance. A high-quality vegetable-tanned alligator strap, worn regularly and kept away from prolonged moisture and perspiration, can last between 2 and 5 years while retaining its structural and aesthetic integrity. Shell cordovan, owing to its dense fibre structure, tends to last longer and develops a distinguished patina with wear. Milano Straps 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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only