Panerai · Radiomir

Strap for Radiomir Perpetual Calendar GMT Goldtech

The Radiomir Perpetual Calendar GMT Goldtech takes 27 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

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Lug width27 mm
Case diameter45 mm
ReferencePAM01453
FamilyRadiomir
MovementPanerai caliber P.4100 Hours, Minutes, Small seconds, Additional 12 Hours Hand (adjustable), Day / Night Indication | Date, Day, Leap year, Month, Perpetual calendar, Year indicator
Year2024
CasePlatinum

Spring bar

Swiss Standard universal spring bars

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

The Radiomir PAM01453, seen from the bench

The Panerai Radiomir PAM01453 is a 45mm platinum case watch featuring the P.4100 caliber with perpetual calendar, lunar cycle indicator, and month/year retrograde complications. Part of the Radiomir family, established in 1936, it maintains the characteristic cushion case with integrated lugs, onion crown, and austere dial. The 27mm lug width requires a custom-crafted strap made to precise specifications, as this dimension falls outside standard industrial sizing.

Frequently asked questions

What is the lug width of the Panerai Radiomir PAM01453?

The Panerai Radiomir PAM01453 has a lug width of 27mm, a non-standard measurement that requires straps made to specific millimetric specifications. To verify this precisely, use a digital caliper to measure the internal distance between the two spring bar pins. This width is characteristic of the contemporary generation of Radiomir models with a 45mm case.

What is the best strap for a Panerai Radiomir PAM01453 in platinum?

For a platinum Radiomir PAM01453, we recommend African alligator with regular grain, which enhances the sobriety of the case, or Hermès calf leather in burgundy or cognac tones to create tactile contrast. Authentic military green NATO remains the most historically accurate choice for Panerai, while black rubber offers versatility in formal settings.

How do you change the strap on a Panerai Radiomir PAM01453?

Strap replacement requires extracting the spring bars using a dedicated spring bar remover tool. Position the watch so the lugs are parallel to the table, insert the tool into the small lateral holes of the lug, gently compress the internal spring, and pull out the pin. Repeat the same method on the opposite side. Install the new strap by aligning the pins with the slots and pressing until you feel a distinct click. Avoid sharp blows that could damage the case.

Can you use an aftermarket strap on a Panerai Radiomir PAM01453?

Yes, provided it is custom-made for a 27mm lug width. Generic aftermarket straps built to standard 24mm or 26mm specifications will not fit securely and may stress the lugs. Always opt for artisans who measure your specific lug width and construct with millimetric precision, such as those in the Milano Straps collection.

How long does a quality leather strap last on a Panerai Radiomir?

A strap made from alligator or calf leather, constructed using vegetable tanning techniques and hand-stitched, typically lasts 3-5 years of daily wear before requiring aesthetic maintenance or replacement. Durability depends on climate conditions (humidity accelerates aging), frequency of use, and leather type. Milano Straps straps include an 18-month warranty against manufacturing defects and offer regeneration services upon request.

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