Rolex · Datejust 36

Strap for Datejust 36 Rolesor Yellow Fluted / Jubilee / Bronze Arabic

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter36 mm
Reference116233-0209
FamilyDatejust 36
MovementRolex caliber 3135 Hours, Minutes, Seconds | Chronometer
CaseYellow Gold, Stainless Steel

Recommended spring bar

Modern Rolex spring bars 20mm — 1.5mm diameter

Technical match for lug width and diameter · lug 20 mm · Ø 1.5 mm · closed lugs

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Straps for the Datejust 36 116233-0209

Selected for the 20 mm lug width · workshop selection

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The Datejust 36 116233-0209, seen from the bench

The Rolex Datejust 36 ref. 116233-0209 is a two-tone watch combining 18k yellow gold and Oystersteel, featuring the automatic caliber 3135 with COSC certification, 28800 A/h frequency, and approximately 48 hours power reserve. The 36mm case houses a sapphire crystal with anti-reflective coating, water-resistant to 100 meters, with a fixed fluted bezel and Cyclops lens on the date window. The lug width is 20mm, which determines compatibility with replacement bracelets and ensures proper proportions between case, lugs, and wrist.

Frequently asked questions

What is the exact lug width of the Rolex Datejust 36 ref. 116233-0209?

The lug width (distance between the lugs) of the Rolex Datejust 36 ref. 116233-0209 is precisely 20.00mm. This measurement is critical for strap compatibility: it determines the correct fit between the case shoulders and the strap without play or binding. Always verify this specification before purchasing a replacement strap, as an incorrect width compromises both ergonomics and aesthetics of the watch.

What is the best strap material for a two-tone Datejust 36?

For the Rolex Datejust 36 in yellow gold and stainless steel, natural alligator leather is the most refined choice: its fine grain complements the warm lustre of gold without visual competition, and the natural patina that develops over time enhances aesthetic appeal. Vegetable-tanned chromexcel calf offers superior water and impact resistance for intensive daily wear. Shell cordovan calf delivers extraordinary patina development but requires more maintenance. Synthetic rubber should be avoided, as it diminishes the formal character of the model.

How do I change the strap on my Rolex Datejust 36?

Strap replacement involves removing the spring bars from the lugs. Procedure: position the watch on a soft cloth with lugs facing upward; use a professional strap removal tool to compress the internal spring of one bar, then extract it completely; repeat on the opposite side. Insert the spring bars of your new 20mm strap, align them with the lug holes, and release with an audible click. If uncertain, consult a certified watchmaker: incorrect technique risks scratching the case metal.

Can I use a third-party strap on my Datejust 36?

Yes, any strap with a 20mm lug width is mechanically compatible with the Datejust 36 ref. 116233-0209. However, the quality of the result depends entirely on strap craftsmanship: an artisanal strap in premium leather (alligator, calf, cordovan) ensures proportions, thickness, and patina consistency with Rolex standards, whereas mass-produced straps may exhibit stitching inconsistencies or uneven gauge. Always source from specialist artisans to ensure the strap befits your timepiece.

How long does a leather strap last on a Rolex Datejust 36?

Leather strap longevity depends on material type, frequency of wear, and maintenance discipline. A well-maintained natural alligator strap lasts 3–5 years of daily wear; vegetable-tanned chromexcel calf reaches 4–6 years thanks to superior fibre density; shell cordovan calf, being denser and more resilient, may last 5–7 years. To extend lifespan, avoid prolonged direct water exposure, dry promptly after moisture contact, and apply a natural leather conditioner every six months. A Casati Milano strap includes an 18-month warranty 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