Rolex · Datejust 36

Strap for Datejust 36 Everose Strap White Mother of Pearl 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
Reference116185-0003
FamilyDatejust 36
MovementRolex caliber 3135 hours, minutes, seconds | chronometer
CaseRose Gold

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 116185-0003

Selected for the 20 mm lug width · workshop selection

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The Datejust 36 116185-0003, seen from the bench

The Rolex Datejust 36 116185-0003 features a 36mm Everose gold case with a 20mm lug width. Powered by the Rolex caliber 3135 automatic movement with COSC certification, it displays hours, minutes, seconds, and date. The white mother-of-pearl dial with diamond hour markers is protected by a Cyclops lens magnifying the date window 2.5x and a scratch-resistant sapphire crystal. The Oyster case ensures 100-meter water resistance with a screw-down caseback. This classic model combines formal and casual versatility.

Frequently asked questions

What is the lug width of the Rolex Datejust 36 116185-0003?

The lug width of the Rolex Datejust 36 reference 116185-0003 is 20 millimetres. This width is standard across all Datejust 36 variants in any material (steel, gold, two-tone). To verify accurately, measure the internal diameter of the case lug tube using a digital calliper, positioning the tip at the centre of the spring bar hole. Imprecise measurement leads to strap incompatibility and poor wear comfort.

Which strap should I choose for a Rolex Datejust 36 in rose gold?

For the Datejust 36 in rose gold (Everose) we recommend: alligator in medium-dark brown for formal elegance, calfskin in sand or taupe for contemporary daily wear, shell cordovan in burgundy for distinctive character and visible patina development. Alligator remains the historical and harmonious choice with rose gold's palette. Avoid extreme colour contrasts that disrupt case balance. A rose gold deployant clasp completes the aesthetic, whilst a tempered steel ardillon clasp introduces subtle elegant simplicity.

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

Changing the Datejust 36 strap requires care: position the watch on a soft cloth and locate the two lateral case lugs (one per side at strap height). Using a spring bar tool (specialised flat-lever instrument), gently press inward to release the spring bar. Withdraw the pin and remove the old strap. Insert the new strap pins, aligning them with the case seats, and press until the bar clicks into place. Work deliberately: abrupt movement compromises pins or case. If unfamiliar with the procedure, consult an authorised Rolex service centre.

Can I use aftermarket straps compatible with a Rolex Datejust 36?

Yes, aftermarket 20mm straps are entirely compatible with the Datejust 36 116185-0003, provided they feature standard pins (1.8mm diameter). Bespoke straps crafted by artisan makers like Casati Milano often exceed OEM quality in construction and noble material selection. Always verify the strap was purpose-made for 20mm lug width and that pins are correctly profiled. An aftermarket strap does not void Rolex warranty, which covers movement and case exclusively.

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

A quality artisan leather strap lasts approximately 3–5 years with daily wear, varying by material: alligator ages well for 7–8 years, calfskin typically wears after 3–4 years, shell cordovan exceeds 10 years owing to fibrous structure. Duration depends on external factors: direct sunlight, humidity, frequent water contact significantly reduce longevity. Vegetable-tanned leather develops characteristic patina, making wear part of the aesthetic narrative. Buckle and stitching points are critical areas: inspect every 18 months. A well-maintained strap can be professionally restored, extending its serviceable life considerably.

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