Rolex · Daytona

Strap for Cosmograph Daytona Stainless Steel / Yellow Gold / Black - Diamond

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
Reference116503-0008
FamilyDaytona
MovementRolex caliber 4130 hours, minutes, small seconds | Chronograph, column wheel | chronometer
Year2021
CaseYellow Gold, Stainless Steel

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 116503-0008

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 116503-0008, seen from the bench

The Daytona reference 116503-0008 is equipped with the Rolex automatic caliber 4130 with chronograph function and column wheel. The movement offers indication of hours, minutes, small seconds and chronograph with chronometer certification. The watch features 20mm lugs for the strap.

Frequently asked questions

What is the lug width of the Rolex Daytona 116503-0008?

The lug width of the Rolex Daytona 116503-0008 is 20 millimetres. This dimension is critical for strap compatibility: it must be measured precisely between the two lateral lugs of the case. A 19mm strap would be unstable, whilst a 21mm strap would not enter the slot without forcing.

What is the best strap material for the Daytona 116503-0008?

The best material depends on use: alligator offers sartorial elegance and lasting resistance; vegetable-tanned calf develops a natural patina that amplifies the bicolour character; Japanese shell cordovan presents intrinsic density and brilliance. For sporting contexts, a high-resistance rubber strap maintains the chronograph's functional integrity.

How do I change the strap on my Rolex Daytona 116503-0008?

Strap removal is accomplished through the lug pins (anse pins). With appropriate tools, the metal pin is removed from one of the lugs, the old strap is slid off, and the new one is inserted. It is advisable to have a certified Rolex watchmaker or experienced artisan perform the operation to avoid damage to the case.

Can I use an aftermarket strap with 20mm lug width on the Daytona?

Yes, provided the strap is constructed with precision engineering to 20mm lug width. High-quality artisanal straps, such as those produced by specialised ateliers, guarantee geometric compatibility. Always verify the manufacturer's technical specifications and warranty before purchase.

How long does an artisanal leather strap with 20mm lug width last?

A quality leather strap, constructed with vegetable tanning or shell cordovan and hand-stitched, lasts approximately 5-8 years with moderate daily use. Duration depends on frequency of wear, environmental humidity, care applied, and specific material. Natural leather develops a patina that enhances its character over time.

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