Rolex · Datejust 36

Strap for Datejust 36 Rolesor Yellow Fluted / Oyster / Steel Diamonds

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
Reference116233-0181
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 116233-0181

Selected for the 20 mm lug width · workshop selection

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Frequently asked questions

What is the lug width of the Rolex Datejust 36 116233-0181?

The lug width of the Rolex Datejust 36 116233-0181 is precisely 20 millimetres. This measurement represents the distance between the two case lugs where the strap attaches. Any replacement strap must have terminals calibrated to exactly 20 millimetres to ensure a perfect fit without play or excessive pressure. This is a critical technical specification that determines total strap compatibility with the case.

Which strap pairs best with the Rolex Datejust 36 116233-0181?

The choice depends on intended use. For formal occasions: a deep brown or black alligator strap delivers maximum restraint and elegance. For refined character: cognac or burgundy toned calf leather complements the yellow gold, adding expressive warmth. For sporting versatility: black rubber or canvas NATO ensures practicality without compromising the Datejust's inherent elegance. We recommend a dark brown alligator as your primary strap—its temporal neutrality and natural patina development make it an exceptional investment piece.

How do I change the strap on a Rolex Datejust 36 safely?

Strap replacement requires a spring bar tool and careful technique. Place the watch face-down on a soft cloth. Use the spring bar tool to gently compress the internal spring, applying gentle leverage toward the case centre. Once the spring pin is released, remove the old strap. Align the new strap's terminals with the lugs and reposition the spring, compressing it with the tool until it clicks firmly into place. If you lack experience, entrust the task to a qualified watchmaker.

Is a quality aftermarket strap compatible with the 116233-0181?

Yes, provided the strap is specifically engineered for a 20-millimetre lug width. Artisanal quality straps—in alligator, shell cordovan, vegetable-tanned calf—are entirely compatible with the Rolex Datejust 36, often offering superior aesthetic personalisation compared to Rolex standard options. Compatibility is guaranteed by precise 20-millimetre lug width measurement between the terminals.

How long does a quality leather strap last on a daily-wear watch?

A high-quality leather strap (alligator, vegetable-tanned calf, shell cordovan) worn daily typically lasts 5–8 years before the structure begins to fail. Longevity depends on: frequency of use, exposure to perspiration and humidity, regular maintenance (annual cleaning and conditioning), and the strap's inherent build quality. Artisanal straps featuring vegetable tanning, thanks to fibre density and structural permeability, age far more gracefully than industrially treated leathers, developing a patina that increases aesthetic value over time.

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