Rolex · Daytona

Strap for Cosmograph Daytona Yellow Gold - Cerachrom / Black / 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
Reference126518LN-0008 (aka: M126518LN-0008)
FamilyDaytona
MovementRolex caliber 4131 hours, minutes, small seconds | Chronograph, column wheel | chronometer
Year2023
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

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Straps for the Daytona 126518LN-0008 (aka: M126518LN-0008)

Selected for the 20 mm lug width · workshop selection

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The Daytona 126518LN-0008 (aka: M126518LN-0008), seen from the bench

The Rolex Daytona reference 126518LN-0008 is a chronograph in 18-carat yellow gold with black ceramic bezel, representing the contemporary evolution of a legend born in 1963. The case measures 40 mm in diameter with a 20 mm lug width. It is powered by the caliber 4131, a manufacture movement developed and produced by Rolex Geneva, beating at 28,800 vibrations per hour and equipped with a Parachrom escapement in niobium-zirconium that provides antimagnetic protection up to 1,500 Gauss. The chronometer-certified movement offers a 72-hour power reserve.

Frequently asked questions

What is the lug width of the Rolex Daytona 126518LN-0008?

The lug width of the Rolex Daytona 126518LN-0008 is precisely 20 millimetres. This dimension is standard across all contemporary Daytona models in this configuration. Accurate measurement is essential: position a ruler perpendicular to the spring bar, measuring from one lug end to the other at the lower case attachment point, without applying pressure to the structure.

Which strap type pairs best with the Daytona 126518LN-0008 in yellow gold?

For the Daytona 126518LN-0008 in yellow gold with black ceramic bezel, vegetable-tanned alligator remains the most harmonious choice: the natural scale texture dialogues seamlessly with the patina yellow gold develops naturally over time. Black shell cordovan creates an elegant, contemporary contrast. For a more understated aesthetic, vegetable-tanned calf leather in warm tobacco brown tones offers versatility and sophistication.

How do you change the strap on a Rolex Daytona?

Changing a Daytona strap requires specific tools: a spring bar tool and ideally a magnifying glass. Position the watch on a soft surface, gently insert the tool into the gap between case and strap, press the internal spring, extract the spring bar, and remove the old strap. Repeat on the other side. For installation, align the holes and reinsert both ends of the spring bar fully. If inexperienced, entrust the task to a qualified professional to avoid case damage.

Is an aftermarket strap compatible with the Rolex Daytona 126518LN-0008?

Yes, any strap with a 20-millimetre lug width is compatible with the Daytona 126518LN-0008. Quality aftermarket straps offer superior alternatives to OEM Rolex options, providing colour variety and artisanal materials. Always verify lug width is precisely 20 millimetres: measurement error compromises fit and risks damaging case lugs.

How long does a leather strap last on a sports watch like the Daytona?

A premium leather strap (alligator, shell cordovan, or vegetable-tanned calf) typically lasts 3–5 years of daily wear, provided proper maintenance. Expose the strap to open air regularly, avoid prolonged water contact, and prevent direct heat exposure. Leather settles and develops natural patina, increasing character. When structural integrity fails, replacement is warranted. Casati Milano straps include an 18-month warranty against manufacturing defects.

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