Rolex · Daytona

Strap for Rolex Daytona 126579RBR

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
Reference126579RBR
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 126579RBR

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 126579RBR, seen from the bench

The Daytona reference 126579RBR features the automatic caliber 4131 with chronograph function and column-wheel. The 40mm case is in white gold with 20mm lugs. The movement offers hours, minutes, small seconds and chronograph, with chronometer certification.

Frequently asked questions

What is the lug width of the Rolex Daytona 126579RBR?

The lug width of the Rolex Daytona ref. 126579RBR is 20 millimetres. This specific dimension ensures correct strap fitment to the case lugs without lateral detachment. Always verify the exact width of the space between the lugs using a digital calliper before ordering a replacement strap.

What is the best strap for the Rolex Daytona 126579RBR?

For the Daytona ref. 126579RBR in white gold with a gemstone bezel, Nile alligator in vegetable tannage represents the canonical choice. Tones such as dark brown, deep black, or cognac complement the bezel's elegance without competing visually. Shell cordovan is an extraordinary alternative for those who appreciate aged patina. Grained calf leather offers a minimalist modern profile, whilst rubber and technical fabric remain acceptable only for intensive sporting use.

How do you change the strap on a Rolex Daytona 126579RBR?

Strap replacement requires specialised tools: a spring bar removal tool and a soft work surface to protect the case. Position the watch with the lugs facing upward, gently insert the flat end of the removal tool into the aperture beneath the spring of the first lug to compress it, extract the pin, then repeat on the other side. Install the new strap by inserting the pin through the lug apertures and awaiting the spring click. For models with a deployante clasp, ensure the mechanism is fully retracted before proceeding.

Are aftermarket straps compatible with the Rolex Daytona 126579RBR?

Yes, aftermarket 20-millimetre straps are entirely compatible with the Daytona ref. 126579RBR, provided they respect the exact lug width. Artisanal straps of superior quality, crafted in alligator, shell cordovan or vegetable-tanned calf, offer durability and aesthetics comparable to or exceeding factory straps. Selecting a custom strap allows personalisation of the chronograph according to your style and usage requirements.

What is the lifespan of a leather strap on the Rolex Daytona 126579RBR?

The longevity of a leather strap depends upon materials and usage. An alligator niloticus strap in vegetable tannage, if properly maintained and protected from prolonged water exposure, maintains structural integrity for 5–8 years of daily wear. Shell cordovan, more delicate, requires more frequent maintenance but develops fascinating patina over time. Grained calf in vegetable tannage has comparable lifespan to alligator. Casati Milano's standard warranty covers manufacturing defects for 18 months. Aesthetic wear is natural and contributes to the appeal of artisanal leather.

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