Technical Archive

Rolex
Datejust 36 126200-0006— lug 20mm

Rolex Datejust 36 126200-0006: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Datejust 36 Stainless Steel / Domed / Blue / Oyster

Artisanal Note

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

Technical Specifications

Rolex 126200-0006
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

126200-0006

Movement

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

The Heritage

The Rolex Datejust 36 reference 126200-0006 is the contemporary evolution of an icon born in 1945. The 36mm Oyster stainless steel case houses the in-house caliber 3235 chronometric movement with Parachrom hairspring in niobium-zirconium, offering 70 hours power reserve and 100 meters water resistance. The lug width is 20mm, matching the proportional balance between case width and wrist contact that defines this classic model.

FAQ

What is the exact lug width of the Rolex Datejust 36 126200-0006?

The lug width of the Rolex Datejust 36 126200-0006 is 20mm. This measurement must be verified precisely between the two attachment holes of the original strap, using a digital calliper. Accurate measurement is essential to ensure that a compatible artisanal strap fits perfectly onto the Oyster case lugs, maintaining proportional balance and mechanical security of the suspension.

Which strap material pairs best with the Datejust 36 126200-0006 in steel?

The ideal strap material for the Datejust 36 126200-0006 depends on lifestyle and aesthetic preferences. Vegetable-tanned alligator offers maximum formality and natural patina development. Shell cordovan combines extraordinary durability with discrete luxury. Satin or grain calf provides a versatile solution suitable for both business and casual contexts. Natural vulcanised rubber is recommended for those who engage in sports or wish to wear the watch daily without compromising on constructive quality.

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

Strap replacement requires removal of the spring bars from the case lugs. Use a proper spring bar tool to compress the bar and extract it gently from one side. Once the lugs are free, insert the new bars into the artisanal strap and reinsert them into the lugs, ensuring the retention mechanism clicks securely. If you lack experience, consult an expert: improper operation could damage the case. Casati Milano also offers strap change service by appointment.

Which aftermarket straps are compatible with the Datejust 36 126200-0006?

Any strap with a 20mm lug width is compatible with the Datejust 36 126200-0006. This means you may choose from a wide range of artisanal options in alligator, calf, shell cordovan, crocodile leather, as well as natural rubber or NATO straps. Always verify the exact lug width before purchase and opt for certified quality manufacturers that guarantee durability and aesthetic proportion with the 36mm case.

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

The lifespan of an artisanal leather strap depends on material and usage frequency. A vegetable-tanned shell cordovan may last 5–7 years of daily wear, developing a deep patina that enhances character over time. High-quality calf typically lasts 3–5 years. Well-maintained alligator maintains structural integrity for 4–6 years. Storage in controlled humidity conditions and protection from direct UV rays significantly extend strap lifespan. Casati Milano provides an 18-month guarantee against manufacturing defects on all artisanal straps.

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