Rado · Captain Cook

Strap for HyperChrome Captain Cook 42 Stainless Steel / Blue / Bracelet

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
ReferenceR32105313 (aka: 01.763.6105.3.031)
FamilyCaptain Cook
MovementETA caliber C07.611 Hours, Minutes, Seconds | Date
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 R32105313 (aka: 01.763.6105.3.031)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Captain Cook R32105313 (aka: 01.763.6105.3.031), seen from the bench

The Rado Captain Cook features the ETA caliber C07.611 movement with indication of hours, minutes, seconds and date. The model with reference R32105313 represents a modern reissue of the original Captain Cook line from the 1960s. The technical configuration includes essential functions for daily use with an automatic movement of ETA derivation.

Frequently asked questions

What is the lug width of the Rado Captain Cook R32105313?

The lug width of the Rado Captain Cook R32105313 is 20mm. This measurement refers to the distance between the two lugs (the pins that connect the strap to the case), measured from inner edge to inner edge. The 20mm standard is compatible with a wide range of artisanal and industrial straps available in the contemporary market.

What strap material is recommended for the Captain Cook R32105313?

For the R32105313, we recommend alligator leather tanned with vegetable tannins for constructive elegance, full-grain calf for tactile softness that contrasts with the ceramic case, NATO for sporting versatility, or vulcanised rubber for intensive aquatic environments. The choice depends on intended use and personal aesthetic preference.

How do I change the strap on the Rado Captain Cook R32105313?

To change the strap, obtain a spring bar removal tool or consult a specialist. Position the watch on a stable surface, insert the pointed end of the tool into the small hole beside the suspension pin, apply gentle pressure, extract the pin and old strap. Insert the new strap onto the case and reinsert the pin until you hear a click of closure.

Is the Rado Captain Cook R32105313 compatible with aftermarket straps?

Yes, the R32105313 is compatible with any strap featuring a 20mm lug width. High-quality artisanal aftermarket straps offer the same compatibility and permit aesthetic customisation superior to original straps. Always verify that the new strap's pins are of correct length for the case.

What is the expected lifespan of a leather strap for the Captain Cook?

A high-quality leather strap, such as alligator or full-grain calf tanned with vegetable tannins, has an average lifespan of 3-5 years with moderate daily use. The lifespan extends to 7-8 years with occasional wear. Factors such as sun exposure, humidity, perspiration, and frequency of changing influence degradation. Periodic maintenance (gentle cleaning, 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