Rolex · Datejust 36

Strap for Datejust 36 Rolesor Yellow Domed / Jubilee / Black Computer

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
Reference116203-0180
FamilyDatejust 36
MovementRolex caliber 3135 hours, minutes, seconds | chronometer
Year2018
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 116203-0180

Selected for the 20 mm lug width · workshop selection

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The Datejust 36 116203-0180, seen from the bench

The Rolex Datejust 36 116203-0180 is a two-tone timepiece combining 36 mm yellow gold and stainless steel 904L case with proportional design. It features the Rolex Caliber 3135 movement with 48-hour power reserve and COSC Chronometer certification. The model maintains iconic Datejust DNA: Cyclops lens integrated on the bezel, date window at 3 o'clock, and Twinlock crown. The 20 mm lug width is critical for strap compatibility and must be measured precisely between the spring bar attachment points to ensure proper fit without lateral gaps.

Frequently asked questions

What is the lug width of the Rolex Datejust 36 116203-0180?

The lug width of the Rolex Datejust 36 116203-0180 is 20 mm. This measurement is taken between the spring bar attachment points on both sides of the case. It is essential to verify this measurement before purchasing a strap, as an incorrectly sized strap will not fit the watch properly.

Which strap is recommended for the Rolex Datejust 36 116203-0180?

For the Datejust 36 116203-0180 two-tone yellow gold and steel, we recommend a warm brown alligator or vegetable-tanned calf leather in dark blue. Alligator delivers classical elegance and pairs perfectly with yellow gold, whilst dark blue calf creates a contemporary contrast. Both materials, in 20 mm format with stainless steel deployant, balance the two-tone case aesthetic.

How do you change the strap on a Rolex Datejust 36 116203-0180?

Changing the strap requires a dedicated spring bar tool. Position the watch horizontally and use the small screwdriver to gently open the spring bar attachment, extract the bar, remove the old strap, and insert the new 20 mm strap, ensuring correct alignment before re-closing the spring bar. Alternatively, Casati Milano handles strap changes with millimetre precision via our bespoke service.

Is an aftermarket strap compatible with the Rolex Datejust 36 116203-0180?

Yes. Any strap with a 20 mm lug width is compatible with the 116203-0180, provided it features standard spring bar attachments. Milanostraps.it offers a complete collection of 20 mm straps in alligator, calf, vegetable-tanned leather and NATO, all tested for structural compatibility and certified with 18-month warranty on manufacturing defects.

How long does a leather strap last on a Rolex Datejust 36 116203-0180?

The lifespan of a leather strap depends on usage and maintenance. A premium alligator or calf strap, worn daily, maintains functionality for 3–5 years; with occasional wear, durability extends to 7–10 years. The patina that develops is natural and desirable. We recommend avoiding water exposure and applying a dedicated conditioner every six months to preserve leather suppleness.

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