Rolex · Lady-Datejust

Strap for Lady-Datejust 28 Stainless Steel Fluted / Grey - Diamond / Jubilee

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
Reference279174-0015
FamilyLady-Datejust
MovementRolex caliber 2236 Hours, Minutes, Seconds | Date | Chronometer
CaseWhite 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 279174-0015, seen from the bench

The Rolex Lady-Datejust 28 ref. 279174-0015 in Oystersteel and 18k white gold combines a 28mm round case with Twinlock crown and Cyclope lens on sapphire crystal. It houses the Rolex caliber 2236, a COSC-certified chronometer movement with Syloxi silicon balance wheel, offering 55-hour power reserve and -2/+2 seconds per day precision. The lug width is 14mm, a purposeful design choice that preserves original case proportions and requires dedicated straps.

Frequently asked questions

What is the lug width of the Rolex Lady-Datejust 279174-0015?

The Rolex Lady-Datejust 279174-0015 features a lug width of 14mm. This is a measurement specific to the 28mm Rolex ladies' segment and is not interchangeable with wider models such as the 36mm or 41mm variants. Always verify this measurement before purchasing an aftermarket strap.

What is the best strap for the Rolex Lady-Datejust 279174-0015?

For the Lady-Datejust 279174-0015 in White Rolesor, the most suitable materials are vegetable-tanned alligator (for its pronounced grain and patina development), polished box-calf leather (refined and understated) and shell cordovan (dense, naturally lustrous). A deployant clasp in steel or white gold is recommended to maintain visual coherence with the bi-metal case.

How do you change the strap on a Rolex Lady-Datejust 279174-0015?

The strap on the Lady-Datejust 279174-0015 is removed using a springbar tool, inserted into the gap between the lug and the strap end to compress the spring bars. Care must be taken to avoid scratching the stainless steel and white gold case. Alternatively, a watchmaker or the Casati Milano atelier can perform the swap professionally.

Are there aftermarket straps compatible with the Rolex Lady-Datejust 279174-0015?

Yes, high-quality aftermarket straps compatible with the Lady-Datejust 279174-0015 are available. The key specification to match is the 14mm lug width. Milanostraps.it offers a curated selection of handcrafted leather, rubber and fabric straps made specifically for this measurement, with finishes appropriate to the construction quality of a Rolex.

How long does a leather strap last on a Rolex Lady-Datejust 279174-0015?

The lifespan of a leather strap depends on the material and how it is cared for. A quality vegetable-tanned alligator strap, worn in rotation and stored properly, can last between 3 and 7 years while retaining its structural integrity and developing an attractive patina. Box-calf has a similar lifespan but is more susceptible to moisture. Shell cordovan, owing to the density of its fibres, typically offers superior resistance to daily wear.

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