Panerai · Radiomir 1940

Strap for Radiomir 1940 42 3 Days Automatic Stainless Steel / Blue

The Radiomir 1940 42 3 Days Automatic Stainless Steel / Blue 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
ReferencePAM01144
FamilyRadiomir 1940
MovementPanerai caliber P.1000 Hours, Minutes, Small seconds
Year2020
CaseStainless 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 Radiomir 1940 PAM01144

Selected for the 22 mm lug width

All 22 mm straps →

The Radiomir 1940 PAM01144, seen from the bench

The Radiomir 1940 PAM01144 is equipped with the manual-winding Panerai P.1000 caliber, with hour, minute and small seconds indications. The watch features 22mm lugs in the characteristic Panerai design of the 1940s. The P.1000 movement offers a three-day power reserve with essential time-reading functions.

Frequently asked questions

What lug width does the Panerai Radiomir 1940 PAM01144 have?

The Panerai Radiomir 1940 PAM01144 is fitted with an integrated wire lug of 22mm width. This measurement is calculated from the outer shoulder of one lug to the other and is consistent with the 42mm case diameter. The lug depth is approximately 5.5mm, ensuring strap stability without movement. A 22mm strap fits perfectly, creating aesthetic continuity between case and strapping.

What is the best strap for the Panerai Radiomir 1940 PAM01144?

For this minimalist model, we recommend an Italian alligator strap with natural grain and brown-cognac tones, or Taurillon calf for immediate softness. The choice depends on use: alligator for daily elegance, calf for formality, natural rubber for marine activities. Avoid glossy synthetics and prefer brushed steel deployantes or minimalist forged buckles, consistent with the austerity of Panerai design.

How do I correctly change the strap on the Panerai Radiomir 1940?

Obtain a dedicated tool (spring bar tool) or consult an expert. The Radiomir 1940 is equipped with fully integrated wire lugs, therefore extracting the spring bars requires precision: insert the tool into the lateral slot of the spring bar, apply gentle downward pressure to release the retention ball, then extract the bar. Position the new strap by aligning the holes with the lugs, reinsert the spring bars and verify they are fully locked. Contact Casati Milano for professional strap changes with warranty.

Are the straps sold on Milano Straps compatible with the PAM01144?

Yes, the 22mm straps in the collection are specifically compatible with the Panerai Radiomir 1940 PAM01144. Always verify that the lug width is 22mm and that the strap is made from artisanal quality leather. Milano Straps offers ready-to-ship straps and, through the Casati Milano atelier, the possibility of bespoke customizations with choice of leathers and stitching details.

How long does a leather strap last on a Panerai Radiomir 1940?

An artisanal authentic leather strap lasts an average of 3-5 years with daily use, depending on climate, humidity, and frequency of conditioning. Alligator is the most durable material, aging elegantly and developing natural patina without degradation. Calf requires periodic care with specific balms to maintain softness. A natural rubber strap lasts 4-6 years. Casati Milano provides an 18-month warranty and offers strap regeneration services, significantly extending their lifespan.

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