Rolex · Datejust 36

Strap for Datejust 36 Stainless Steel / Everose / Smooth / White / Jubilee

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
Reference126201-0017
FamilyDatejust 36
MovementRolex caliber 3235 hours, minutes, seconds | date | chronometer
Year2018
CaseRose 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 126201-0017

Selected for the 20 mm lug width · workshop selection

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The Datejust 36 126201-0017, seen from the bench

The Rolex Datejust 36 reference 126201-0017 is a bimetal watch combining stainless steel AISI 316L and Everose with a 36mm case and white dial. It features caliber 3235 (31 jewels, COSC-certified chronometer) with Syloxi balance and Nivarox escape wheel, delivering -2/+2 seconds daily precision. The 20mm lug width accommodates strap replacement, and the transparent caseback displays the movement.

Frequently asked questions

What is the lug width of the Rolex Datejust 36 126201-0017?

The lug width of the Rolex Datejust 36 reference 126201-0017 is 20mm. This measurement is critical: the strap must fit perfectly into the lateral lugs of the case without play or excessive pressure. When ordering an aftermarket strap, always verify that it is manufactured at exactly 20mm.

Which strap is recommended for the bimetallic Datejust 36 in Everose and steel?

For the 126201-0017 bimetallic version, we recommend alligator in saddlebrown or French calf in natural shades. These materials harmonise with the warmth of Everose without creating chromatic conflict with the steel. Shell cordovan in burgundy is the premium option for those seeking a leather that develops patina over time. For summer wear, a NATO in anthracite grey or navy blue maintains elegance whilst reducing heat absorption.

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

The Datejust 36 features threaded lugs on both sides of the case, requiring a precision tool (spring bar remover or punch pin) for removal. It is not recommended to proceed independently without experience: the risk of scratching the case or losing the pins is significant. Consult a trusted watchmaker or Casati Milano, which offers strap change service in the atelier.

Can I use an aftermarket strap compatible with my Datejust 36 126201-0017?

Yes, any strap manufactured at 20mm is compatible with the 126201-0017. Choosing an artisanal Italian strap from Milano Straps allows you to personalise the watch whilst maintaining high construction quality and production warranty. Casati Milano offers both ready-made online models and bespoke service by appointment.

How long does a leather strap last on a daily-wear Datejust 36?

A high-quality leather strap (alligator, calf, shell cordovan) with traditional tanning lasts 2-3 years with daily wear and proper care. Longevity depends on usage, ambient humidity and frequency of water exposure. Vegetable-tanned leathers develop patina but require periodic conditioning. With a quality deployante and regular conditioning habits, the strap can last considerably longer. Casati Milano provides straps with 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