Rolex · Daytona

Strap for Cosmograph Daytona Everose / Cerachrom / Pink Baguette / Oysterflex

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
Reference116515LN-0021
FamilyDaytona
MovementRolex caliber 4130 hours, minutes, small seconds | Chronograph, column wheel | chronometer
Year2019 - 2023
CaseCeramic, Rose Gold

Recommended spring bar

Spring bars Rolex Daytona 116520 — 20mm steel

Technical match for lug width and diameter · lug 20 mm · Ø 1.5 mm · closed lugs

All Rolex spring barsOpen →

Straps for the Daytona 116515LN-0021

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 116515LN-0021, seen from the bench

The Rolex Daytona 116515LN-0021 represents the contemporary evolution of a chronograph legend born in 1963. This rose gold version with black ceramic bezel embodies the pinnacle of Rolex chronographic manufacturing, featuring the in-house caliber 4130 movement certified Chronometer. The 40mm rose gold case provides refined personality, while the scratch-resistant ceramic bezel enhances the classic design. The lug width is 20mm, specifically calibrated for the 40mm rose gold case proportions.

Frequently asked questions

What is the lug width of the Rolex Daytona 116515LN-0021?

The Rolex Daytona 116515LN-0021 features a 20mm lug width. This measurement represents the internal distance between the two attachment points of the spring bars where the strap fastens to the case. To verify strap compatibility, use a digital calliper to measure the space between the lugs: it must be exactly 20mm. A strap with this specification ensures proper fitment without lateral play.

What is the best strap for a rose gold Rolex Daytona 116515LN-0021?

For a rose gold Daytona 116515LN-0021, we recommend a strap in alligator leather with traditional vegetable tanning. Natural or black alligator offers uncompromising elegance and develops patina over time in harmony with the rose gold case. Shell cordovan is a premium alternative for those seeking maximum durability and a captivating texture. For formal contexts, black alligator remains timeless; for a warmer approach, natural alligator creates sophisticated visual dialogue with the precious case.

How do I change the strap on a Rolex Daytona 116515LN-0021?

The Daytona 116515LN-0021 uses standard spring bars for quick strap changes. Obtain a spring bar removal tool with rounded tips to avoid damaging the case. Position the watch with the strap side facing upward, insert the tool tip into the small indentation of the spring bar on one side, press gently and the spring will retract, allowing extraction. Repeat on the other side. Installation follows the reverse procedure. If uncertain, consult a professional watchmaker or contact Casati Milano for strap changing service.

Can I use an aftermarket strap on a Rolex Daytona 116515LN-0021?

Yes, you can use aftermarket straps compatible with a 20mm lug width on the Daytona 116515LN-0021, provided they meet exact specifications and construction quality standards. A bespoke strap crafted by artisans like Casati Milano guarantees superior workmanship, finishing, and longevity compared to industrial products. Choosing a custom strap personalises your watch whilst maintaining perceived value and daily wearability. Avoid generic low-quality straps: a Rolex deserves accompaniment of equal calibre.

How long does a leather strap last on a daily-worn Rolex Daytona?

The lifespan of a leather strap depends on tanning quality, usage, and maintenance. A Tuscan leather strap with vegetable tanning, worn daily under normal conditions, typically lasts 3–5 years before requiring replacement. Shell cordovan, being more robust, may last 5–7 years. Regular maintenance (cleaning with a damp cloth, air drying) and rotating between straps significantly extends lifespan. Casati Milano offers an 18-month warranty on manufacturing defects, covering construction faults but not legitimate natural wear.

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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Casati Milano · Via XX Settembre 15, Milan · by appointment only