Technical Archive

Rolex
Daytona 116515LN-0018— lug 20mm

Rolex Daytona 116515LN-0018: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Cosmograph Daytona Everose / Cerachrom / Pink  / Oysterflex

Artisanal Note

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

Technical Specifications

Rolex 116515LN-0018
Lug Width
20 mm

The essential strap measurement.

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Reference

116515LN-0018

Movement

Rolex caliber 4130 Hours, Minutes, Small Seconds | Chronograph, Column wheel | Chronometer

The Heritage

The Daytona reference 116515LN-0018 features the Rolex 4130 automatic caliber with chronograph function and column wheel. The movement offers hour, minute, small second and chronograph indications, with chronometer certification. The lugs measure 20mm in width.

FAQ

What is the lug width of the Rolex Daytona 116515LN-0018?

The lug width of the Daytona 116515LN-0018 is 20 millimetres. This dimension is standard for the model and determines compatibility with aftermarket straps. To verify the correct measurement, use a digital calliper to measure the internal space between the lugs. A 20mm strap ensures proper fit without lateral movement or excessive case compression.

Which strap would you recommend for a rose gold Rolex Daytona 116515LN-0018?

For the 18k rose gold 116515LN-0018, we recommend natural alligator in a deep cognac tone, which enhances the warmth of the metal case. Alternatively, vegetable-tanned calf leather offers natural patina development over time. For sporting use, a natural canvas NATO strap protects the rose gold from perspiration. Avoid varnished leathers or artificial grains: the case deserves noble materials that age elegantly.

How do you change the strap on a Rolex Daytona 116515LN-0018?

Strap replacement requires extraction of the spring bars from the seats housed in the case. Use a dedicated spring bar tool to avoid damaging the rose gold case. Insert the tool into the bar slot to compress the internal spring, remove the old bar, then insert the new one, ensuring perfect alignment. If you lack experience, consult a certified watchmaker or our Casati Milano atelier for professional replacement.

Can an aftermarket strap suit a Daytona 116515LN-0018?

Absolutely. An artisanal 20mm strap, crafted from superior materials (alligator, natural calf, vegetable-tanned leather), enhances the rose gold case far more than a worn bracelet. The key is ensuring correct lug width and compatible seating depth. Our milanostraps.it selections are curated specifically for luxury chronographs: we offer personalised WhatsApp consultation to guarantee perfect aesthetic and technical matching.

How long does a natural leather strap last on a Daytona?

Natural leather strap durability depends on frequency of use, moisture exposure, and tanning method. A quality artisanal alligator or vegetable-tanned calf resists 3–5 years of daily wear with basic care (avoid prolonged perspiration, protect from water). Leather develops natural patina during this period, increasing aesthetic value. We offer 18-month warranty against manufacturing defects. Beyond that period, a natural leather strap can be re-lined at our Casati Milano atelier at reasonable cost.

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