Rolex · Daytona

Strap for Cosmograph Daytona Yellow Gold - Baguette / Champagne - Baguette / 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
Reference126538TBR-0004 (aka: m126538tbr-0004)
FamilyDaytona
MovementRolex caliber 4131 hours, minutes, small seconds | Chronograph, column wheel | chronometer
Year2024
CaseYellow 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 126538TBR-0004 (aka: m126538tbr-0004)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 126538TBR-0004 (aka: m126538tbr-0004), seen from the bench

The Daytona reference 126538TBR-0004 features the automatic Caliber 4131 with chronograph function and column wheel. The movement offers hour, minute, small seconds and chronograph indications, certified as a chronometer. The watch has 20mm lugs and is part of the Daytona collection introduced in 1963.

Frequently asked questions

What is the lug width of the Rolex Daytona 126538TBR-0004?

The Rolex Daytona 126538TBR-0004 has a lug width of 20 millimetres. This dimension is measured between the two case lugs and is compatible exclusively with straps of maximum 20mm in width. You can verify the measurement using a digital calliper or a ruler placed horizontally between the lugs.

What is the best strap for the yellow gold Daytona 126538TBR-0004?

For a yellow gold Daytona, we recommend straps in cognac alligator, shell cordovan, or superior-quality calf leather. Alligator offers the ideal compromise between formality and sportiness, with a regular grain that dialogues well with the warmth of gold. Shell cordovan develops a deep patina over time, whilst calf leather guarantees softness and elegance. Always select a natural tonality that does not compete with the case.

How do you change the strap on a Rolex Daytona 126538TBR-0004?

The strap is changed by unscrewing the threaded lug bar that secures the strap lug to the case. Use a precision tool (such as a spring bar tool qualified for Rolex watches) to remove the lug bar from the non-crown side. Extract the old strap and insert the new one by aligning the strap lugs with the case pins. Screw the lug bar clockwise until firmly seated. If uncertain, entrust the task to an authorised service centre.

Is an aftermarket strap with 20mm lug width fully compatible with the 126538TBR-0004?

Yes, any strap with a 20-millimetre lug width is compatible with the 126538TBR-0004. Verify that the strap is constructed to now-universal standards and that the quality of leather or material is documented. Bespoke straps such as those from Casati Milano guarantee construction precision and verified materials.

How long does a leather strap last on a watch worn daily?

A quality leather strap, if properly maintained, lasts an average of 18-24 months with moderate daily wear. Materials such as alligator and shell cordovan, owing to their fibre density, tend to last longer than calf leather. Durability depends on exposure to moisture, perspiration, and mechanical wear. Casati Milano straps include a warranty against manufacturing defects for 18 months.

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