Rolex · Datejust 36

Strap for Datejust 36 Stainless Steel Diamond / Oyster / Silver

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
Reference116244-0023
FamilyDatejust 36
MovementRolex caliber 3135 hours, minutes, seconds | chronometer
CaseWhite 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 116244-0023

Selected for the 20 mm lug width · workshop selection

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The Datejust 36 116244-0023, seen from the bench

The Rolex Datejust 36 116244-0023 features a 36mm two-tone case combining white gold and 904L stainless steel, with a date window at 3 o'clock characteristic of the family since 1945. The Rolex Caliber 3135 automatic movement beats at 28,800 vibrations per hour with 42 hours power reserve and chronometer certification. Strap width is 20mm, the standard for Datejust 36, requiring precise measurement between the lugs for correct compatibility and avoiding wear or fitting issues.

Frequently asked questions

What is the exact lug width of the Rolex Datejust 36 116244-0023?

The lug width of the Rolex Datejust 36 116244-0023 is precisely 20mm. This dimension must be measured perpendicularly between the internal lug attachments, excluding the lateral lugs of the case. For the Datejust 36, the measurement remains constant regardless of dial variant (white, black, blue) and factory-installed bracelet. An incompatible strap (19mm or 21mm) will either fail to insert correctly or introduce undesirable play with risk of accelerated lug wear.

Which strap is best suited for the two-tone Rolex Datejust 36 116244-0023?

For the 116244-0023 in white gold and stainless steel, we recommend black or dark brown alligator for maximum formality, or burgundy shell cordovan for considered aesthetic contrast. The bimetallic case configuration demands a strap that does not compromise visual equilibrium between the two metals: alligator with fine grain maintains elegance without competing texture, whilst vegetable-tanned leather offers noble ageing. For sporty versatility, vulcanised natural rubber or blue/grey NATO maintains optical proportions without added visual weight.

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

Strap replacement requires minimal tools: fine-tipped screwdriver or dedicated spring bar tool. Position the watch on a soft surface with case facing upward. Identify the attachment mechanism: for the Datejust 36, spring bars are activated by gently compressing the spring via screwdriver, allowing the internal pin to disengage from the lug seat. Remove the old strap, then insert the new one, verifying that springs click into place on both sides. Do not force: improper insertion risks accelerated lug wear.

Is an aftermarket strap compatible with the Rolex Datejust 36 116244-0023?

Yes, provided the lug width is exactly 20mm and the spring bars are professional-grade. Artisanal aftermarket straps represent personalisation opportunities versus official Rolex options, yet require precise verification: leather thickness, structural construction, buckle or deployante quality. Low-cost online straps frequently exhibit insufficient tolerances and premature deformation. We recommend trusting certified craftsmen who guarantee geometric compatibility and material longevity.

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

Durability depends on material, usage frequency and maintenance. A quality alligator or shell cordovan strap, with regular care (soft damp cloth cleaning, annual conditioning with neutral products), guarantees 5-8 years of daily wear. Vegetable-tanned calf, being softer, typically shows visible ageing (natural creasing, patina) after 3-5 years. Vulcanised natural rubber maintains elasticity for 7-10 years. Rotating between multiple straps extends overall longevity: weekly rotation means each strap achieves 10+ years cumulative lifespan.

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