Rolex · Daytona

Strap for Cosmograph Daytona Yellow Gold / Cerachrom / Black-Diamond / 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
Reference116518LN-0046
FamilyDaytona
MovementRolex caliber 4130 Hours, Minutes, Small Seconds | Chronograph, Column wheel | Chronometer
CaseCeramic, Yellow 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 116518LN-0046

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 116518LN-0046, seen from the bench

The Rolex Daytona 116518LN-0046 represents the contemporary evolution of the world's most coveted sports chronograph. Combining 18-karat yellow gold with a ceramic Cerachrom bezel in matte black, the 40 mm case houses the manually-wound caliber 4130—Rolex's internally-developed movement beating at 28,800 vibrations per second. Water-resistant to 100 meters with a 20 mm lug width, this reference epitomizes four decades of competitive chronographic heritage.

Frequently asked questions

What is the lug width of the Rolex Daytona 116518LN-0046?

The Rolex Daytona 116518LN-0046 is equipped with 20 mm lugs. This dimension is specific to the 40 mm case and represents the distance between the spring bar holes. All compatible straps must have a 20 mm lug width to ensure a secure and stable fit. Always verify this measurement before purchasing an aftermarket strap.

Which strap is best suited for the Daytona 116518LN-0046 in yellow gold?

For the Daytona 116518LN-0046, the ideal strap depends on personal use and style. Alligator leather in vegetable tanning with dark tones (black, mahogany brown) creates elegant contrast with the yellow gold. Shell cordovan is the ultimate premium choice: its wineglass texture and deep patina complement the case finishing perfectly. For intensive use, a natural canvas NATO or Tropic rubber strap maintains the chronograph's original sportiness.

How do you change the strap on a Rolex Daytona 116518LN-0046?

Strap replacement requires extracting the spring bars—the pins that secure the strap to the lugs. Use a non-abrasive tool to compress the retaining spring from the inside, then gently remove the pin from its seat. Insert the new strap by aligning the holes with the lug, then release the spring bar. Verify that centring is perfect. DIY work on valuable timepieces is not recommended: entrust the task to a certified professional.

Is an aftermarket strap compatible with the Daytona 116518LN-0046?

Yes, provided the strap is certified for 20 mm lug width. MilanoStraps artisan straps are crafted to specification for this case with precise tolerances. Always verify manufacturing certifications and the maker's warranty. A premium-quality strap protects your watch's value over time.

How long does a leather strap last on a regularly worn Daytona?

A premium leather strap (alligatore, shell cordovan, vitello Box) on a regularly worn chronograph lasts 4–6 years before requiring replacement or restoration. Patina evolves positively during the first 12–24 months, developing character and chromatic depth. Regular maintenance—gentle cleaning, drying after water contact, seasonal conditioning—significantly extends strap lifespan.

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