Rolex · Daytona

Strap for Rolex Daytona 116508

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
Reference116508
FamilyDaytona
MovementRolex caliber 4130 Hours, Minutes, Small Seconds | Chronograph, Column wheel | Chronometer

Recommended spring bar

Spring bars Daytona 116518/116528/116508/16518 gold — 20mm

Verified compatibility for this reference · lug 20 mm · Ø 1.5 mm · closed lugs

All Rolex spring barsOpen →

Straps for the Daytona 116508

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 116508, seen from the bench

The Daytona reference 116508 is equipped with the automatic caliber 4130 with chronograph function and column wheel. The 40mm case is made of yellow 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 116508?

The lug width of the Rolex Daytona 116508 is exactly 20mm. This measurement refers to the internal distance between the two guide slots that hold the strap in place. This specification is consistent across all references of this modern Daytona generation (introduced in 2000). An undersized strap (19mm) will shift excessively, while an oversized strap (21mm) will not fit at all. Compatibility is absolute and non-negotiable.

Which strap material is best suited for a Rolex Daytona 116508?

Alligator leather — whether niloticus or American — is the most coherent choice, as it complements the sporty-elegant character without competing with the brilliance of yellow gold. Shell cordovan develops a unique patina over time, ideal for collectors seeking visual narrative. Vegetable-tanned calf offers formal-to-casual versatility, whilst high-density rubber represents the most technical solution for intensive use or water exposure.

How do I change the strap on a Rolex Daytona 116508?

Strap replacement requires a spring bar tool (specialized instrument for depressing the retention pins). Remove the watch from your wrist, locate the microscopic pins on the lugs that secure the strap to the case, and gently press them laterally using the spring bar tool to release them. The new 20mm strap slides directly into the lug slots. If you are inexperienced, an authorised Rolex service centre should perform this procedure.

Can I use an aftermarket strap on a Rolex Daytona 116508?

Absolutely. A bespoke artisanal aftermarket strap — provided it is correctly manufactured with a 20mm lug width and proportionate passants — will not damage the watch and allows coherent personalisation. Rolex imposes no technical restrictions. We recommend straps in alligator, cordovan, or calf from specialised suppliers, avoiding synthetic or eco-leather alternatives.

How long does a leather strap last on the Daytona 116508?

Longevity varies according to material and wear patterns. Premium alligator leather resists 3–4 years of daily wear before showing significant ageing. Shell cordovan exhibits similar durability whilst developing a compelling patina. Vegetable-tanned calf weakens more rapidly (18–30 months) if exposed to frequent moisture. Rubber is virtually indestructible but aesthetically less refined. Any strap can be regenerated or replaced at modest cost.

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.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only