Rolex · Datejust 41

Strap for Datejust 41 Rolesor Yellow Fluted / Oyster / Black

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter41 mm
Reference126333-0013
FamilyDatejust 41
MovementRolex caliber 3235 Hours, Minutes, Seconds | Date | Chronometer
CaseYellow Gold, Stainless Steel

Recommended spring bar

Spring bars modern Rolex 21mm × 1.5mm

Technical match for lug width and diameter · lug 21 mm · Ø 1.5 mm · closed lugs

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Straps for the Datejust 41 126333-0013

Selected for the 21 mm lug width · workshop selection

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The Datejust 41 126333-0013, seen from the bench

The Rolex Datejust 41 126333-0013 model features a bi-metal case combining 18-carat yellow gold and 904L stainless steel, measuring 41 mm in diameter. It houses the automatic Rolex caliber 3235 movement with a 70-hour power reserve and is water-resistant to 100 meters. The watch is part of the classic Datejust collection and requires a strap with a 21 mm lug width for proper fit and compatibility.

Frequently asked questions

What is the lug width of the Rolex Datejust 41 126333-0013?

The lug width of the Rolex Datejust 41 126333-0013 is 21 millimetres. This dimension is specific to this two-tone model and determines compatibility with bespoke straps. To verify, measure the distance between the spring bar pins on the case, perpendicular to the strap length.

Which strap is most suitable for the Datejust 41 126333-0013?

For the Datejust 41 two-tone case (yellow gold and steel), alligator represents the highest formal elegance due to its fine, natural grain. Vegetable-tanned calf offers daily versatility and develops a rich patina over time. Shell cordovan is ideal for those who appreciate structural density and warm tones evolving toward burgundy hues.

How do I change the strap on the Rolex Datejust 41 126333-0013?

Replacement requires a dedicated tool (spring bar tool) to remove the lug pins. Position the tool in the lateral groove of the lug, compress gently and extract the pin. Repeat on the opposite side, then insert the new strap's pins into the case until the locking click engages. If inexperienced, consult a qualified watchmaker.

Can I use an aftermarket strap on this Datejust 41?

Yes, provided it respects the 21-millimetre lug width. High-quality bespoke leather straps often offer more sophisticated finishing and materials than original Rolex straps. Verify that the lug is constructed in solid leather (not lined with mobile metal wire) to ensure constructive coherence with the case.

How long does a leather strap last on a Rolex Datejust 41?

A quality bespoke leather strap typically lasts 18–36 months with regular daily wear, depending on the tanning method and care. Vegetable-tanned leather develops patina and improves with time; shell cordovan resists longer due to density. Alligator requires protection from excessive sweat and moisture. With maintenance (periodic cleaning and hydration), longevity can extend beyond three years.

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