Rolex · Daytona

Strap for Rolex Daytona 126515LN

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
Reference126515LN
FamilyDaytona
MovementRolex caliber 4131 Hours, Minutes, Small Seconds | Chronograph, Column wheel | Chronometer

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 126515LN

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 126515LN, seen from the bench

The Daytona reference 126515LN is powered by the automatic Caliber 4131 with chronograph function and column wheel. The 40mm case is crafted in Everose gold with a ceramic bezel. The movement offers hours, minutes, small seconds and chronograph indications, with chronometer certification and 20mm lugs.

Frequently asked questions

What is the correct lug width of the Rolex Daytona 126515LN?

The Rolex Daytona 126515LN features a lug width of 20mm, which is the distance between the spring bars that secure the strap to the case. This dimension is standard for current-generation 40mm Daytona chronographs and must be verified before purchasing an aftermarket strap, as incompatible widths will prevent proper fitting.

Which type of strap is most recommended for the Daytona 126515LN?

For the 126515LN in 18kt Everose gold, an alligator leather strap in black or deep brown represents the most elegant and contextually appropriate choice, maintaining coherence with the material's formality. Alternatively, vegetable-tanned calf develops a fascinating patina over time and offers superior comfort. For sporting or casual wear, FKM rubber or NATO straps provide practicality and durability.

How should I change the strap on a Rolex Daytona without damaging the case?

To change the strap, use a dedicated spring bar removal tool with a bifurcated tip. Insert the tool's end beneath the spring bar, gently depress it to compress the mechanism, and slide the bar out of its housing. Work carefully to avoid scratching the faceted case lugs. Install the new strap by reversing the procedure, ensuring the spring bar engages fully in both lug holes.

Is a high-quality aftermarket strap compatible with the Daytona 126515LN?

Yes, provided the strap is manufactured with the correct 20mm lug width and uses identical spring bars and attachment systems. Bespoke leather straps in alligator, calf, or shell cordovan from specialist sartorial workshops are fully compatible and frequently offer superior construction quality compared to factory bracelets, enabling significant aesthetic customisation.

What is the expected lifespan of a natural leather strap on the Daytona 126515LN?

A high-quality bespoke leather strap, crafted in alligator or vegetable-tanned calf, typically lasts 3–5 years with moderate daily wear, developing a distinctive and desirable patina. Longevity depends on ambient humidity, frequency of wear, and maintenance: keeping the strap dry after exposure to moisture, avoiding prolonged direct sunlight, and occasionally applying natural wax significantly extend the material's usable 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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Casati Milano · Via XX Settembre 15, Milan · by appointment only