Rolex · Datejust 36

Strap for Datejust 36 Rolesor Yellow Domed / Oyster / Brown MOP

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
Reference116203-0149
FamilyDatejust 36
MovementRolex caliber 3135 Hours, Minutes, Seconds | Chronometer
CaseMother of Pearl | Yellow 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 116203-0149

Selected for the 20 mm lug width · workshop selection

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The Datejust 36 116203-0149, seen from the bench

The Rolex Datejust 36 Rolesor Yellow Domed model 116203-0149 combines a 36mm case with a bicolor design: 18-karat yellow gold back and AISI 316L stainless steel. The dial features iridescent mother-of-pearl with satin and polished finishes. Powered by the Rolex 3135 automatic chronometer-certified movement with 28,800 vibrations per hour and 50-hour power reserve. The 20mm lug width accepts compatible straps without mechanical stress, maintaining the dress watch proportions characteristic of the Datejust family.

Frequently asked questions

What is the lug width of the Rolex Datejust 36 116203-0149?

The lug width of the Rolex Datejust 36 116203-0149 is precisely 20 millimetres. This measurement represents the space between the two lugs of the case where the strap attaches. Accurate measurement of the lug width is essential before purchase to ensure proper compatibility and perfect fitting without mechanical stress on the case.

Which leather strap is best suited for the bicolour Datejust 36 116203-0149?

For the Datejust 36 116203-0149 with bicolour case (yellow gold and stainless steel) and mother-of-pearl dial, dark brown alligator or vegetable-tanned calf leather represent optimal choices. Alligator provides superior durability and natural patina development, whilst Italian calf offers visible ageing and soft texture. Both materials enhance the mother-of-pearl without competing aesthetically with the case.

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

Changing the strap on a Rolex Datejust 36 requires a spring bar tool (small screwdriver with fine flat blade). Position the watch case-side down, locate the release hole at the lug, insert the blade into the hole and apply gentle downward pressure until you hear the spring bar release. Repeat the procedure at the opposite lug. The procedure is straightforward, but if inexperienced, consult an authorised service centre.

Is an aftermarket strap compatible with the Rolex Datejust 36 116203-0149?

Yes, any quality strap with 20mm lug width is mechanically compatible with the Datejust 36 116203-0149. However, aesthetic compatibility is equally important: a formal Datejust requires premium leather straps (alligator, calf, shell cordovan) or high-end fabrics—not budget synthetic options that would compromise the dress-watch identity of the timepiece.

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

The lifespan of a genuine leather strap depends on frequency of use, climate conditions and tanning quality. With natural vegetable tanning and proper care (avoid frequent water exposure, apply conditioning cream 1–2 times annually), alligator or Italian calf leather straps typically last 5–7 years of daily wear. Shell cordovan, due to its crystalline density, can reach 10 years. Our straps include 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