Rolex · Daytona

Strap for Rolex Daytona 126506

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
Reference126506
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

All Rolex spring barsOpen →

Straps for the Daytona 126506

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 126506, seen from the bench

The Daytona reference 126506 features the Rolex 4131 automatic caliber with chronograph function and column wheel. The 40mm case is made of stainless steel and ceramic. The movement is certified chronometer and includes hour, minute, small seconds indications with 20mm lugs.

Frequently asked questions

What is the lug width of the Rolex Daytona ref. 126506?

The Rolex Daytona 126506 features a lug width of 20 mm, measured between the lugs at their base. Precision in this measurement is critical when purchasing an aftermarket strap, as even a 1 mm deviation causes abnormal tension and risk of damage to the case.

Which strap material pairs best with the platinum Daytona 126506?

For the 126506 in platinum, American alligator with vegetable tanning in dark shades (black, dark brown) emphasises classic sports character, whilst shell cordovan in deep reds offers understated elegance. For formal contexts, rigid calf leather with geometric texture visually reduces case prominence. For contemporary aesthetics, FKM rubber with titanium deployante combines nautical functionality and modernity whilst maintaining the restraint required of a platinum timepiece.

How do you change the strap on a Rolex Daytona 126506?

Strap removal requires a specialist strap-changing tool to remove the spring bars from the lugs. Professional execution by a qualified watchmaker or specialised atelier such as Casati Milano is strongly recommended to avoid case damage. For straps in natural leather with artisanal finishes, a professional ensures correct tension, thereby preserving longevity.

Is an aftermarket strap compatible with the Daytona 126506?

Yes, provided the lug width is 20 mm. Numerous artisanal strap manufacturers produce pieces specifically dimensioned for this measurement. Dimensional compatibility guarantees correct mounting, but verification of construction quality and materials is essential to ensure the strap matches the rarity and value of a platinum timepiece.

What is the service life of a natural leather strap on a Daytona 126506?

A naturally tanned leather strap, worn daily and exposed to sunlight and perspiration, typically lasts 3–5 years before structural degradation becomes apparent. However, with proper maintenance—gentle cleaning, drying after moisture exposure, occasional conditioning with natural oils—this lifespan extends significantly. Straps from master artisans often display superior durability due to tannery quality and stitching precision, rendering pieces virtually indefinite with appropriate care.

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