Rolex · Lady-Datejust

Strap for Lady-Datejust 28 Rolesor Rose Diamond / Oyster / Sundust Diamond

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
Reference279381rbr-0020
FamilyLady-Datejust
MovementRolex caliber 2236 Hours, Minutes, Seconds | Date | Chronometer
CaseRose Gold, Stainless Steel

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 279381rbr-0020, seen from the bench

The Lady-Datejust represents the female version of the Rolex Datejust collection. It features the automatic Calibre 2236 chronometer-certified with hours, minutes, seconds and date functions. The 14mm lugs case is sized for the female wrist.

Frequently asked questions

What is the lug width of the Rolex Lady-Datejust 279381rbr-0020?

The lug width of the Rolex Lady-Datejust 279381rbr-0020 is 14mm. This measurement should be taken internally between the two lugs using a calliper, at the narrowest point where the strap inserts. This is a specific measurement of the Lady-Datejust 28mm and is not interchangeable with the 17mm or 20mm variants found on other Rolex models.

What is the best strap for the Rolex Lady-Datejust 279381rbr-0020?

For the Lady-Datejust 279381rbr-0020 in Everose Rolesor, an alligator strap with vegetable tanning offers the highest aesthetic coherence: the scale texture complements the diamond-set bezel. Box calf leather is the most versatile choice for daily wear, whilst shell cordovan develops a distinctive patina over time. In all cases, a deployant clasp protects the strap and enhances wearability.

How do you change the strap on a Rolex Lady-Datejust 279381rbr-0020?

To replace the strap on the Lady-Datejust 279381rbr-0020, use a fine-tipped springbar tool inserted into the lateral lug hole to compress the spring bars. The Oyster case with integrated lugs requires care to avoid scratching the polished surfaces. It is advisable to work on a soft cushion and, if in doubt, to consult a watchmaker or the Casati Milano atelier.

Are there aftermarket straps compatible with the Rolex Lady-Datejust 279381rbr-0020?

Yes, high-quality aftermarket straps compatible with the Lady-Datejust 279381rbr-0020 are available, provided they conform to the 14mm lug width and the specific curvature of the Oyster lugs. Milano Straps offers a selection of artisan straps in various leathers and rubber, available bespoke or ready to ship, with either a tang buckle or deployant clasp, all compatible with this reference.

How long does a leather strap last on the Rolex Lady-Datejust 279381rbr-0020?

The lifespan of a leather strap depends on material quality, frequency of wear and maintenance. A high-quality alligator or shell cordovan strap on a relatively lightweight 28mm case such as the Lady-Datejust can last between 2 and 5 years with regular use. It is advisable to rotate between several straps, avoid prolonged exposure to moisture, and treat the leather periodically with appropriate conditioning products. Milano Straps provides an 18-month guarantee 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