Rolex · Daytona

Strap for Cosmograph Daytona Everose / Pink

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
Reference116505-0009
FamilyDaytona
MovementRolex caliber 4130 hours, minutes, small seconds | Chronograph, column wheel | chronometer
Year2019 - 2021
CaseRose 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 116505-0009

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Daytona 116505-0009, seen from the bench

The Rolex Daytona 116505-0009 is a chronograph in Everose Gold, Rolex's proprietary 18-karat alloy enriched with platinum for oxidation resistance. The 40mm case features a black ceramic bezel with tachymetric scale filled in gold. The in-house caliber 4130 movement includes a vertical friction escapement, column wheel, 28,800 vph frequency, and 72-hour power reserve. The lug width is 20mm, standard for the 40mm Daytona family, with pronounced downward curve requiring slightly curved strap ends for proper fit.

Frequently asked questions

What is the lug width of the Rolex Daytona 116505-0009?

The Rolex Daytona 116505-0009 features a 20mm lug width, measured between the two lugs at their narrowest point where the strap makes contact with the case. This dimension is consistent across the entire 40mm Daytona family and allows fitting any 20mm aftermarket strap with curved ends compatible with Rolex lug geometry.

What is the best strap for the Rolex Daytona 116505-0009 in rose gold?

For a Daytona in Everose Gold, a glossy alligator strap in havana or cognac tones provides the most coherent complement to the warm reflections of 18k rose gold. Shell cordovan is an excellent alternative, developing a distinctive natural patina over time. Vegetable-tanned calfskin suits daily wear, while premium vulcanised rubber is recommended for sporting contexts.

How do you change the strap on a Rolex Daytona 116505-0009?

To replace the strap on the Daytona 116505-0009, use a fine-tipped spring bar tool or a flat-head watchmaker's lever. Insert the tool into the lug hole, compress the spring bar and carefully remove the strap, taking care not to scratch the rose gold lugs. Always work on a soft surface and, if in doubt, consult a watchmaker or the Casati Milano atelier.

Are there aftermarket straps compatible with the Rolex Daytona 116505-0009?

Yes: any 20mm aftermarket strap with curved ends is compatible with the Daytona 116505-0009, provided it respects the Rolex lug geometry. The handcrafted straps available on milanostraps.it are made with shaped ends for a precise fit without stressing the rose gold lugs. A matching rose gold deployant clasp or buckle is also available to maintain visual continuity with the case.

How long does a leather strap last on a Rolex Daytona 116505-0009?

The lifespan of a leather strap depends on leather quality, tanning method and daily use. A high-grade alligator or shell cordovan strap, properly maintained and stored, can last between 3 and 5 years while retaining structural integrity and appearance. Perspiration and humidity accelerate deterioration: rotating straps and avoiding prolonged water exposure is strongly advised. Casati Milano straps carry an 18-month warranty against manufacturing defects.

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