Rolex · Lady-Datejust

Strap for Lady-Datejust 28 Stainless Steel / Rose Gold / Diamond / Rose - 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
Reference279381RBR-0027
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-0027, seen from the bench

The Rolex Lady-Datejust 279381RBR-0027 is a 28mm Rolesor Everose case (18K rose gold and Oystersteel) with a diamond-set bezel and diamond indices. It features the Rolex 2236 Superlative Chronometer movement with ±2 seconds daily accuracy, Syloxi balance wheel for magnetic resistance, and Microstella regulation. The 14mm lug width accommodates curved-end bracelets designed for this specific case geometry. Water-resistant to 100m with Twinlock crown and screw-down caseback.

Frequently asked questions

What is the lug width of the Rolex Lady-Datejust 279381RBR-0027?

The lug width of the Rolex Lady-Datejust 279381RBR-0027 is 14mm. This measurement refers to the internal distance between the lugs of the 28mm case and determines compatibility with any aftermarket or replacement strap.

What is the best strap for the Rolex Lady-Datejust 279381RBR-0027?

For this Rolesor Everose reference, a polished alligator strap in cognac, bordeaux or midnight blue tones offers the most coherent pairing with the case and diamond-set bezel aesthetic. Vegetable-tanned calf leather is an excellent alternative for daily wear, developing a distinctive patina over time. A rose gold deployant clasp completes the combination with material consistency.

How do you change the strap on a Rolex Lady-Datejust 279381RBR-0027?

The strap is removed by sliding out the spring bars that connect the bracelet or strap to the case lugs. A dedicated spring bar tool or fine flat screwdriver inserted into the side hole of the lugs is required. It is advisable to have this done by a watchmaker or to use the correct tools to avoid scratching the polished Oystersteel and rose gold surfaces.

Are there aftermarket straps compatible with the Rolex Lady-Datejust 279381RBR-0027?

Yes, there are aftermarket straps compatible with the 14mm lug width and curved end profile required to fit the Lady-Datejust lug geometry. Milano Straps manufactures handcrafted straps on specific forms for this model, available in various materials and colours, with a precise fit and no lateral play.

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

Longevity depends on the material and daily use. A quality alligator strap, kept away from water and excessive perspiration, retains its characteristics for 2–4 years with regular wear. A vegetable-tanned calf strap, owing to the density of its natural fibres, can last even longer, developing a patina that enriches its character. Milano Straps provides an 18-month guarantee against manufacturing defects on all 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