Rado · Captain Cook

Strap for HyperChrome Captain Cook 42 Stainless Steel / Black

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter42 mm
ReferenceR32505158 (aka: 01.763.0505.3.515)
FamilyCaptain Cook
MovementETA caliber C07.611 hours, minutes, seconds | date
Year2019
CaseCeramic, Stainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Captain Cook R32505158 (aka: 01.763.0505.3.515)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Captain Cook R32505158 (aka: 01.763.0505.3.515), seen from the bench

The Rado Captain Cook represents the modern reinterpretation of a 1960s model. It is equipped with the ETA C07.611 automatic caliber with hour, minute, second, and date indications. The case features technical characteristics oriented for underwater use with a screw-down crown and unidirectional rotating bezel.

Frequently asked questions

What is the lug width of the Rado Captain Cook R32505158?

The lug width of the Rado Captain Cook R32505158 is 20 millimetres. This dimension is determined by the width of the casing openings where the spring bar pins are inserted, which connect the strap. It is essential to verify this measurement before purchasing an aftermarket strap to ensure perfect compatibility.

Which strap type pairs best with the Rado Captain Cook R32505158?

For the Captain Cook R32505158, we recommend three options depending on use: alligator or vegetable-tanned calf leather for sophisticated and everyday contexts, NATO in heavy canvas for dynamic and sports environments, and natural rubber or neoprene for frequent water use or humid conditions. The satined ceramic case pairs ideally with warm tones (hazelnut, cognac) or neutral shades (grey-taupe, tortora).

How do you change the strap on a Rado Captain Cook R32505158?

Strap replacement requires a specific tool: a spring bar tool, which allows you to press the vertical pins, releasing the strap from the case lugs. Position the watch in a stable holder, insert the tool tip under the pin from one side and gently press until the strap releases. Repeat on the other side. The procedure is straightforward and requires no watchmaking expertise.

Is the Rado Captain Cook R32505158 compatible with 20mm aftermarket straps?

Yes, the R32505158 is fully compatible with aftermarket straps of any material (leather, NATO, rubber, technical textiles) as long as the lug width is exactly 20 millimetres. Always verify supplier specifications before purchase. Artisanal Milanese straps guarantee superior craftsmanship and premium materials.

How long does a leather strap last on the Rado Captain Cook R32505158?

The lifespan of a leather strap depends on frequency of use, environmental conditions and tanning quality. An alligator or vegetable-tanned calf leather strap, worn daily, maintains structural integrity for 3-5 years; with occasional use, the lifespan extends to 7-10 years. Frequent water exposure reduces longevity. Regular maintenance (gentle cleaning, annual conditioning) significantly extends the strap's useful life.

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