Technical Archive

Rolex
Datejust 36 126203-0024— lug 20mm

Rolex Datejust 36 126203-0024: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Datejust 36 Stainless Steel / Yellow Gold / Smooth / MOP Diamond / Oyster

Artisanal Note

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

Technical Specifications

Rolex 126203-0024
Lug Width
20 mm

The essential strap measurement.

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Reference

126203-0024

Movement

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

The Heritage

The Datejust represents one of Rolex's historic models, introduced in 1945 as the first automatic watch with an instant date change at midnight. Reference 126203-0024 features the automatic Caliber 3235 with chronometer certification, equipped with hour, minute, second and date functions. The watch has a 36mm case with 20mm lugs.

FAQ

What is the lug width of the Rolex Datejust 36 reference 126203-0024?

The lug width of the Rolex Datejust 36 reference 126203-0024 is 20 mm. This measurement is calculated from the linear distance between the case lugs. A compatible strap must be between 19.8 and 20.2 mm wide for a secure and comfortable fit.

What is the best strap material for the Datejust 36 126203-0024?

For the Datejust 36 126203-0024, we recommend alligator in brown or cognac, shell cordovan in black or burgundy, vegetable-tanned calf leather, or fine-grain rubber. The choice depends on use: alligator and shell cordovan offer classic elegance, calf leather versatility, rubber practical summer comfort.

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

Remove the strap by using a spring bar tool to extract the two metal pins from the case lugs. Align the new strap's holes with the lugs, then reinsert the pins until they click into place. We recommend consulting a specialist to avoid damage to the case.

Is an aftermarket strap compatible with the Rolex Datejust 36 126203-0024?

Yes, any 20 mm strap is compatible with the Datejust 36 126203-0024, provided the spring bars meet international standards and the strap is crafted from premium materials such as alligator, shell cordovan, or vegetable-tanned calf leather.

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

A leather strap's lifespan depends on usage and maintenance. High-quality alligator or shell cordovan lasts 3–5 years with daily wear. Vegetable-tanned calf develops a natural patina over time and can last 4–7 years. Regular maintenance (gentle cleaning, protection from moisture) significantly extends longevity.

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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