Technical Archive

Rolex
Datejust 36 126284RBR-0004— lug 20mm

Rolex Datejust 36 126284RBR-0004: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Datejust 36 Stainless Steel / Diamond / Blue Jubilee / Oyster

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Rolex 126284RBR-0004
Lug Width
20 mm

The essential strap measurement.

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Reference

126284RBR-0004

Movement

Rolex caliber 3235 Hours, Minutes, Seconds | Date | Chronometer

The Heritage

The Datejust 36 represents the evolution of the classic Rolex date watch, equipped with the automatic Caliber 3235 chronometer-certified movement. The 36mm case features functions for hours, minutes, seconds, and date with quick correction. The model uses 20mm lugs and maintains the established technical characteristics of the Datejust collection.

FAQ

What is the lug width of the Rolex Datejust 36 126284RBR-0004?

The lug width of the Rolex Datejust 36 126284RBR-0004 is precisely 20 millimetres. This measurement is taken from the inner shoulder of one lug to the inner shoulder of the opposite lug. Strict adherence to 20 mm is essential to prevent gaps or misalignment of the strap on the case.

What is the best strap for the Datejust 36 126284RBR-0004?

Alligator leather in vegetable tanning represents the supreme choice for this two-tone white gold and steel model. The fine grain and natural patina enhance the champagne dial. Valid alternatives include shell cordovan with burnished patina or gummed calf leather with concealed deployante clasp for those prioritising quick changes and practicality.

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

Strap replacement on the Datejust 36 126284RBR-0004 is accomplished by removing the two spring bars connecting the strap to the case lugs. Use a dedicated spring bar tool to gently push the pin and release it from its seat. Install the new 20 mm artisanal strap by threading the spring bars into it, then reinsert them into the lugs. Care must be taken to avoid scratching the white gold case.

Can I use a generic aftermarket strap with my 126284RBR-0004?

No, it is imperative that the strap is specifically dimensioned at 20 mm. Generic or incorrectly sized straps (19 or 21 mm) will cause visual misalignment and mechanical stress on the lugs. Always opt for quality straps manufactured to this specific lug width, preferably artisanal pieces like those from Casati Milano.

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

A quality leather strap, such as those in artisanal alligator or shell cordovan, typically lasts 3–5 years with daily wear, depending on frequency of use and environmental conditions. Vegetable tanned leather naturally develops patina without compromising function. Casati Milano guarantees 18 months against manufacturing defects. Longevity depends on care: avoid prolonged exposure to salt water and excessive humidity.

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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By appointment only · Milan

The atelier's website: casatimilano.com