Panerai · Radiomir 1940

Strap for Panerai Radiomir 1940 PAM00655

The Panerai Radiomir 1940 PAM00655 takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width22 mm
Case diameter42 mm
ReferencePAM00655
FamilyRadiomir 1940
MovementPanerai caliber P.4000 Hours, Minutes, Small seconds

Spring bar

Swiss Standard universal spring bars

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

Straps for the Radiomir 1940 PAM00655

Selected for the 22 mm lug width

All 22 mm straps →

The Radiomir 1940 PAM00655, seen from the bench

The Radiomir 1940 PAM00655 houses the Panerai P.4000 caliber with hours, minutes, and small seconds indication. The stainless steel case measures 42mm in diameter with 22mm lugs. The movement provides the essential time reading functions with a three-hand configuration.

Frequently asked questions

What is the lug width of the Panerai Radiomir 1940 PAM00655?

The Panerai Radiomir 1940 PAM00655 is fitted with a 22mm lug width. This width is specific to the model due to the proportions of the 42mm cushion case and the lugs integrated into the bezel. To measure it, position the watch with the dial facing upward and measure perpendicularly between the two pins protruding from the lugs: you will get exactly 22mm.

What is the best strap for the Panerai Radiomir 1940 PAM00655?

The best strap depends on use and aesthetic preferences. Dark brown or cognac alligator is the most refined and historically appropriate choice, capable of developing a unique patina. Polished black calf with white stitching offers formal elegance, while natural calf is ideal for those who want a strap that improves with patina over time. Black rubber represents the functional option for humid environments, and gray cotton NATO refers to authentic military heritage.

How do you change the strap on the Panerai Radiomir 1940 PAM00655?

Strap replacement is accomplished through the pins protruding from the case lugs. Use a spring bar remover tool or a delicate instrument such as a small teflon screwdriver. Position the watch with the lugs facing you, insert the tool into one side of the pin to release the tension, then extract the pin. Repeat for both sides. To install the new strap, align the holes and reinsert the pins, ensuring they lock correctly into the grooves.

Can I use an aftermarket compatible strap on this PAM00655?

Yes, any 22mm strap is compatible with the Panerai Radiomir 1940 PAM00655, provided the pins are the same length and diameter as the originals. Artisanal straps in vegetable-tanned leather or FKM rubber offer a quality upgrade over OEM models while maintaining full mechanical and visual compatibility.

What is the lifespan of a leather strap for the Panerai Radiomir 1940 PAM00655?

A quality leather strap, made from alligator or vegetable-tanned calf, has an average lifespan of 3-5 years with moderate daily use. Durability depends on exposure to water, heat, humidity, and frequency of use. The leather develops a natural patina in the first few months, increasing aesthetic appeal. An artisanal strap with an 18-month warranty provides protection against manufacturing defects, while periodic maintenance (gentle cleaning, leather conditioner treatment) significantly extends 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

The atelier's website: casatimilano.com