Rolex · Lady-Datejust

Strap for Lady-Datejust 28 Stainless Steel Fluted / White - Roman / Oyster

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
Reference279174-0020
FamilyLady-Datejust
MovementRolex caliber 2236 hours, minutes, seconds | date | chronometer
Year2017
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 279174-0020, seen from the bench

The Rolex Lady-Datejust 279174-0020 is a 28mm stainless steel and 18K white gold watch from the iconic Lady-Datejust collection introduced in 1957. It features a fluted bezel, diamond-set dial with Roman numerals, and an Oyster bracelet. The movement is the Rolex caliber 2236, a new-generation manufacture movement developed for smaller cases, certified COSC chronometer with ±2 seconds per day accuracy. The case combines 904L Oystersteel with 18K white gold on the lugs, bezel, and caseback, with a Triplock crown and Oysterlock clasp rated to 100 meters. Lug width is 14mm, a non-standard size requiring careful aftermarket strap selection.

Frequently asked questions

What is the lug width of the Rolex Lady-Datejust 279174-0020?

The Rolex Lady-Datejust reference 279174-0020 has a lug width of 14mm. This is a non-standard size in the aftermarket watch strap sector. Before purchasing a replacement strap, it is advisable to verify the measurement using a digital calliper placed between the two lugs, in direct contact with the case.

What is the best strap for the Rolex Lady-Datejust 279174-0020?

For the Lady-Datejust 279174-0020 in steel and white gold, an alligator strap in black or midnight blue best complements the fluted bezel and the case proportions. Shell cordovan in cool tones is the choice for those who appreciate a patina that improves with time. Vegetable-tanned calf leather is ideal for daily wear, offering immediate softness and a wide range of available colours.

How do you change the strap on a Rolex Lady-Datejust 279174-0020?

To replace the strap on the Lady-Datejust 279174-0020, a spring bar tool — either lever or pin type — is required. Insert it into the hole of the spring bar located inside the lug. It is advisable to work on a soft surface to protect the white gold case from scratches. If in doubt, consult a watchmaker or contact the Casati Milano atelier.

Are there aftermarket straps compatible with the Rolex Lady-Datejust 279174-0020?

Yes, high-quality aftermarket straps compatible with the Rolex Lady-Datejust 279174-0020 do exist. The 14mm lug width requires careful selection, as not all manufacturers work this size with sufficient precision. Milanostraps.it offers a curated range of handcrafted 14mm straps, finished with materials befitting the quality standard of the watch.

How long does a leather strap last on the Rolex Lady-Datejust 279174-0020?

The lifespan of a leather strap depends on the material, frequency of use, and care. A quality alligator strap, rotated regularly and kept away from water and excessive perspiration, can last between three and five years while maintaining a refined appearance. Shell cordovan offers superior resistance due to the density of its grain. Casati Milano provides an 18-month guarantee against manufacturing defects on all bespoke straps.

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