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Panerai Radiomir Perpetual Calendar GMT (PAM01453): Specs and Calendar Range

The 45 mm Panerai Radiomir Perpetual Calendar PAM01453 pairs an automatic P.4100 movement and three-day reserve with perpetual-calendar and second-time-zone functions.
Estimate2–3 min Catalogued SpecialistWatchRanker Team
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The Panerai Radiomir Perpetual Calendar GMT is the 45 mm Radiomir Perpetual Calendar, reference PAM01453. Panerai specifies a Goldtech case, automatic P.4100 calibre, three-day power reserve and second-time-zone functions. Its 2024 catalogue says the perpetual calendar corrects itself until 2399; that is Panerai’s stated horizon, not an independently tested result.

What is the Panerai Radiomir Perpetual Calendar GMT?

PAM01453 is the reference number on Panerai’s official product page. The page names the watch “Radiomir Perpetual Calendar”; GMT describes part of its listed functionality rather than appearing in the official product name. Panerai marks it “Boutique Exclusive.”

The watch combines a perpetual calendar with second-time-zone and world-time functions. Panerai’s published specifications describe the movement and features, not independent testing of accuracy, durability or calendar performance.

What does Panerai say about the perpetual calendar?

Panerai’s 2024 catalogue states: “The Panerai Perpetual Calendar automatically corrects itself until 2399, making this calibre eternal.” The year 2399 is the manufacturer’s stated calendar-correction horizon. It should not be read as an independent test result or a claim that the watch will run without maintenance until then.

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  • Swiss-automatic movement
  • Case diameter: 44mm
  • Water resistant to 330 feet

The product page lists perpetual-calendar, leap-year and year functions, but does not state the 2399 horizon. That figure comes from the 2024 catalogue.

PAM01453 specifications

Specification Panerai’s published details
Reference and model PAM01453; Radiomir Perpetual Calendar
Case diameter 45 mm
Case and bezel Polished Panerai Goldtech
Water resistance 10.0 bar, approximately 100 metres
Movement Automatic mechanical Panerai P.4100
Movement dimensions 35.1 mm diameter; 7.0 mm thick
Movement construction 55 jewels; Glucydur balance; KIF anti-shock device; two barrels
Frequency 28,800 alternations per hour (4 Hz)
Power reserve Three days
Dial White sun-brushed, with luminous Arabic numerals and hour markers
Calendar display Day of the week and date at 3 o’clock
Other dial display Seconds and 24-hour indicator at 9 o’clock
Caseback Screwed see-through sapphire crystal and Panerai Goldtech
Supplied strap Dark-brown alligator, listed as 27/22
Buckle Adjustable polished Goldtech, listed as 22 mm

These are manufacturer specifications from Panerai’s product page; they are not independent measurements.

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  • Compatible with Marina, Luminor, and Radiomir watches with Valjoux or 77507753 movements for precise timekeeping.
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What functions does the P.4100 provide?

Alongside hours and minutes, Panerai lists the following functions for the P.4100:

  • Perpetual calendar, leap year and year
  • Day of the week, date and small seconds
  • Second time zone, GMT12H and world time
  • Power-reserve indication
  • Seconds reset and stop balance wheel

The watch therefore has more than a basic second-time-zone display: Panerai explicitly lists both GMT12H and world time as functions. The product information does not explain their operation in detail, so specific setting instructions should not be inferred from the feature list alone.

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Ewatchparts 9mm Watch Crown Compatible With Men's Panerai Luminor Radiomir Marina Watch Stainless Steel
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  • Compatibility & Size: 9MM Watch Crown, compatible with Men's Panerai Luminor Radiomir Marina, Stainless Steel.
  • Ensure Perfect Fit: Verify the size, color, and model compatibility with your specific watch before purchasing to ensure a perfect fit and avoid returns or exchanges.
  • Compatibility Check: Double-check your watch's requirements and compatibility details to ensure the product meets your needs. This will help you avoid any issues with returns or exchanges.
  • Aftermarket Product: This is an aftermarket/generic made to original factory specs for a precise fit.

How large is the watch, and what is the strap configuration?

The PAM01453 has a 45 mm case. Its supplied dark-brown alligator strap is listed at 27/22, and the adjustable polished Goldtech buckle is listed as 22 mm. Those published dimensions describe the supplied configuration; they do not by themselves confirm that a particular third-party replacement strap will fit.

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Availability and price

Panerai identifies PAM01453 as a boutique-exclusive model and provides concierge and boutique contact routes. The reviewed official product information does not state a current purchase price or confirm inventory, so price and availability need to be checked directly with Panerai or a boutique.

Quick Recap

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Stylish and novel appearance, show your personality; Replacement for the original broken old parts
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GAVATKLKCP 28.5MM Watch Dial Single Date/No Calendar Green Luminous Accessories Compatible for NH35/NH36/4R Movement(Orange Calendar)
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Ewatchparts 9mm Watch Crown Compatible With Men Panerai Luminor Radiomir Marina Watch Steel Black
  • VERIFY YOUR WATCH MODEL & MEASURE THE CORRECT SIZE USING A RULER – Watch Parts Are Model and Size Specific. Please Verify Compatibility Before Purchasing.
  • Compatibility & Size: 9MM Watch Crown, compatible with Men's Panerai Luminor Radiomir Marina, Steel Black.
  • Ensure Perfect Fit: Verify the size, color, and model compatibility with your specific watch before purchasing to ensure a perfect fit and avoid returns or exchanges.
  • Compatibility Check: Double-check your watch's requirements and compatibility details to ensure the product meets your needs. This will help you avoid any issues with returns or exchanges.
  • Aftermarket Product: This is an aftermarket/generic made to original factory specs for a precise fit.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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