Technical Archive

Rolex
Datejust 36 126234-0038— lug 20mm

Rolex Datejust 36 126234-0038: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Datejust 36 Stainless Steel / Fluted / Blue-Diamond / Oyster

Artisanal Note

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

Technical Specifications

Rolex 126234-0038
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

126234-0038

Movement

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

The Heritage

The Datejust 36 represents the evolution of the classic Rolex model introduced in 1945, characterized by the date function at 3 o'clock. It is equipped with the automatic 3235 caliber with chronometer certification, offering hour, minute, second and date functions. The 36mm case has 20mm lug width for strap changes.

FAQ

What is the lug width of the Rolex Datejust 36 126234-0038?

The lug width of the Rolex Datejust 36 126234-0038 is 20 millimetres. This measurement represents the distance between the two horizontal pins where the strap attaches to the case. It is essential to verify this measurement to the nearest tenth of a millimetre to ensure correct strap fitting and optimal mechanical security.

Which strap do you recommend for the Rolex Datejust 36 126234-0038?

For the 126234-0038 in white gold and steel, we recommend dark brown alligator (noisette), which dialogues naturally with gold while maintaining formality; white or cream calf leather for minimalist aesthetics; burgundy shell cordovan for those seeking chromatic warmth; black rubber for daily versatility. Your choice depends on primary use and personal colour palette. All these materials, with a 20mm lug width, pair perfectly with the model.

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

To change the strap, obtain a spring bar tool (small flat steel instrument). Position the watch on a soft surface. Insert the tool into the lateral opening of the pin and apply gentle downward pressure to disengage the pin from its seat. Repeat on the other side. Thread the new pins through the 20mm strap, then insert them into the case lugs with gentle pressure until you feel the click. Do not force: a correctly mounted pin should not move.

Is a 20mm aftermarket strap compatible with the 126234-0038?

Yes, any aftermarket strap with an exact 20mm lug width is compatible with the Datejust 36 126234-0038, provided the pins used are standard (1.45mm diameter, approximately 2.1mm length). An Italian artisanal strap in alligator, calf or shell cordovan offers construction quality equal to or exceeding industrial products, with personalisation options and a patina that improves over time.

How long does a leather strap last on a watch like the Datejust 36?

Leather strap durability depends on material, use and maintenance. Alligator and shell cordovan, if treated with hydrating cream every 6–8 months, last 5–8 years; vegetable-tanned calf lasts 3–5 years with daily use. Prolonged exposure to sunlight, humidity and perspiration accelerates ageing. An artisanal strap, if cared for, develops a noble patina. When the strap shows cracking or loss of elasticity, replacement is due.

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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