Technical Archive

Rolex
Datejust 36 116243-0019— lug 20mm

Rolex Datejust 36 116243-0019: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Datejust 36 Rolesor Yellow Diamond / Jubilee / Champagne Roman

Artisanal Note

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

Technical Specifications

Rolex 116243-0019
Lug Width
20 mm

The essential strap measurement.

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Reference

116243-0019

Movement

Rolex caliber 3135 Hours, Minutes, Seconds | Chronometer

The Heritage

The Datejust 36 reference 116243-0019 features the automatic caliber 3135 with official chronometer certification. The movement indicates hours, minutes and seconds with date function. The case has 20mm lugs for the strap.

FAQ

What is the lug width of the Rolex Datejust 36 116243-0019?

The Rolex Datejust 36 reference 116243-0019 features a lug width of 20mm. This measurement represents the distance between the lugs (the metal extensions where the strap attaches to the case). It is essential to verify this specification before purchasing a replacement strap, as any variation would compromise the fit to the case.

Which strap do you recommend for the two-tone Datejust 36 116243-0019?

For the 116243-0019 two-tone yellow gold and stainless steel, we recommend a black or dark brown alligator strap for maximum elegance, or vegetable-tanned calf leather that develops patina over time. Avoid excessively light coloured straps: the champagne dial requires chromatic contrast. NATO and rubber options are valid for light sporting use, but less suitable for formal occasions.

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

The Datejust 36 strap is removed using a small lever tool (spring bar tool) that allows you to compress the small metal hooks inside the lugs. Insert the tool into the appropriate slot, lift gently and slide out the old strap. Position the new strap aligned with the lugs, reinsert the hooks and ensure they are locked correctly. We recommend performing this operation on a soft surface to avoid scratching the case.

Are aftermarket straps compatible with the 116243-0019?

Yes, high-quality aftermarket straps are fully compatible with the Datejust 36 116243-0019, provided they are tapered to 20mm width at the ends. The Rolex case presents no particular interface restrictions. Choose manufacturers who explicitly guarantee compatibility and use premium materials (alligator, calf, shell cordovan) to do justice to the watch's quality.

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

A high-quality leather strap (alligator, calf, shell cordovan) with regular use typically lasts 4-7 years before showing significant signs of wear. Durability depends on frequency of use, climate, sun exposure and maintenance. Vegetable-tanned leathers tend to develop aesthetic patina before requiring replacement. Protecting the strap from salt water and alcohol-based perfumes significantly extends its 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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