Rolex · Datejust 36

Strap for Datejust 36 Stainless Steel / Diamond / Silver / 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
Reference126284RBR-0005
FamilyDatejust 36
MovementRolex caliber 3235 hours, minutes, seconds | date | chronometer
Year2019
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 126284RBR-0005

Selected for the 20 mm lug width · workshop selection

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The Datejust 36 126284RBR-0005, seen from the bench

The Datejust represents one of Rolex's historic models, introduced in 1945 as the first automatic watch with a date indication. It is equipped with the automatic caliber 3235 with chronometer certification and indicates hours, minutes, seconds and date. The 36mm case is paired with 20mm lugs.

Frequently asked questions

What is the lug width of the Rolex Datejust 36 126284RBR-0005?

The lug width (ansa) of the Rolex Datejust 36 126284RBR-0005 is precisely 20 millimetres. This measurement denotes the distance between the two spring bars that secure the strap to the Oyster case. It is critical that any replacement strap possesses exactly this dimension to ensure mechanical compatibility and correct aesthetics.

Which strap is most suitable for the Rolex Datejust 36 in white gold and steel?

For the Datejust 36 126284RBR-0005, a strap crafted from black alligator leather with vegetable tanning, or from cognac-coloured taurine calf with traditional tanning methods, represent the most refined choices. Alligator leather accentuates the authority of white gold and delivers a superior formal effect, whilst cognac calf offers daily versatility with timeless elegance. Both materials guarantee exceptional durability and develop a compelling patina over time.

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

Strap replacement requires a specialist tool known as a spring bar tool. Position the tool into the lateral slots adjacent to the spring bar, apply gentle downward pressure whilst simultaneously extracting the bar from its seat. Once removed, align the new strap's lugs with the case apertures and secure the spring bars by applying uniform pressure until an audible click confirms engagement. We recommend engaging a qualified watchmaker to perform this operation and safeguard the case against damage.

Is it possible to use an aftermarket compatible strap on this Rolex?

Yes, you may absolutely use high-quality aftermarket straps on the Datejust 36 126284RBR-0005 case, provided the lug width measures exactly 20 millimetres. Specialist suppliers such as Milanostraps offer artisanal straps in certified noble leather, with craftsmanship that rivals Rolex manufacturing standards. A superior-quality strap may genuinely enhance the watch further, personalising its aesthetic character.

How long does a leather strap last on a daily-worn timepiece?

A noble leather strap (alligator, calf, shell cordovan) of Hermès quality or superior, subjected to moderate daily wear and correct maintenance, demonstrates an average lifespan of 18–36 months. Longevity depends upon exposure to humidity, perspiration, ultraviolet radiation and frequency of use. Materials such as shell cordovan, owing to superior structural density, may extend functionality to 4–5 years. Periodic cleaning with a damp cloth and complete drying substantially prolong the strap's useful life.

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