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Panerai Radiomir Black Seal PAM609 Review and Ultimate Buying Guide

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Paul Altieri

To the untrained eye, most Panerai watches look so similar to each other that it can initially be somewhat challenging to spot all of the differences. However, once you’re familiar with the Panerai brand, you’ll notice that each model brings something different to the table while still retaining that bold Panerai aesthetic that has made the company so famous.

When it comes to the Panerai Radiomir Black Seal, that same trained eye is needed to distinguish all of the unique characteristics of the PAM609, from its special dial features like the ‘Black Seal’ signature, to its impressive manual-wind movement that boasts a whopping 8-day power reserve that you can view through the sapphire crystal caseback. With a history tracing back to the very first Radiomir watches made for the Italian Navy in the 1930s, the Black Seal continues Panerai’s modern tradition of honoring the past and nodding to the future by pairing heritage-inspired design with modern watchmaking standards. Below, we take a closer look at this noteworthy Panerai and how it sets the bar so high for a relatively entry-level model.

Panerai Radiomir Black Seal 8 Days

Panerai Radiomir Black Seal 8 Days PAM00609

Radiomir Black Seal PAM00609 Key Features:

– Reference Number: PAM00609

– Case Size: 45mm

– Materials: Stainless Steel

– Functions: Time w/ Running Seconds; 8-Day (192 hours) Power Reserve

– Dial: Black ‘Sandwich’ Dial w/ Luminous Hour Markers

– Crystal: Sapphire (Domed)

– Water Resistance: 100 Meters / 330 Feet

– Movement: Panerai Caliber P.5000 (Manual Wind)

– Strap/Bracelet: Tapered Brown Gold Calf Monte Carlo Leather w/ Contrast Stitching

– Retail Price: $6,000 USD

Click here for our Ultimate Buying Guide on Panerai watches.

Panerai Radiomir Black Seal 8 Days PAM609

A Brief History of the Radiomir Black Seal 8 Days

The Radiomir was the first watch created by Panerai way back in 1936 for the Royal Italian Navy during World War II, and the Radiomir Black Seal 8 Days plays on the company’s long tradition of creating watches that are inspired by its history. In fact, the “Black Seal” label on the dial is a tribute to the Italian Royal Navy’s frogmen, also known as the elite combat divers, the “Gamma Group.”

In 2004, Panerai launched the first Radiomir Black Seal PAM183 – inspired by the original Radiomir 3646 – with a 45mm (as opposed to the traditional, larger 47mm diameter) cushion case and the ‘Black Seal’ logo located at 12-o’clock. Over the years, the ‘Black Seal’ saw many dial changes, eventually landing on details like moving the ‘Black Seal’ logo to 6-o’clock and upgrading the movement to the Cal. P.5000 with an 8-day power reserve as opposed to the original 36-hours offered by the inaugural model.

Panerai Radiomir Black Seal 8 Days PAM00609 PAM609

The Design Of The Panerai Radiomir Black Seal 8 Days

The Panerai Radiomir Black Seal 8 Days PAM609 sports a 45mm stainless steel case in the familiar Radiomir silhouette – a cushion-case shape with wire lugs, no crown guards, and an oversized turnip-style winding crown. However, despite its large diameter, the PAM609 is relatively slim for Panerai standards and sits comfortably on the wrist with a rather low profile.

As with most Panerai watches, the Radiomir Black Seal 8 Days houses a stark black dial with oversized and luminescent Arabic numerals and sticks. This particular version has a “sandwich dial” – a style of dial that is constructed in layers, where the bottom layer includes the luminous material and the top layer features cut-out indexes to display the luminescence below.

The Radiomir Black Seal PAM609 is what is referred to as a “Marina model” in Panerai parlance, which essentially means that there is a running seconds sub-dial at 9 o’clock. In contrast, the PAM609’s sibling reference, the PAM610 is a “base model,” which means that it only includes the centrally-mounted hour and minute hands.

Completing the look of the Panerai Radiomir Black Seal 8 Days PAM609 is a beautiful brown leather strap, accented with contrasting stitching. The strap tapers slightly to meet the large stainless steel tang buckle, which is engraved with the Panerai name. Also of note are the removable wire lug strap attachments, which are patented by Panerai.

Panerai Radiomir Black Seal 8 Days PAM00609 Caliber 5000 Movement

The Panerai Radiomir Black Seal 8 Days Movement

Turn the Panerai Radiomir Black Seal 8 Days PAM609 around, and you’ll be greeted with a sapphire display case-back. Peer through the window and you will have an unobstructed view of the manually-wound, in-house Caliber P.5000 movement with 21 jewels and operating at a speed of 21,600 beats per hour.

Introduced in 2013, and only previously used in the Luminor line of watches, the Cal. P.5000 movement utilizes two mainspring barrels to achieve an 8-day (192 hours) power reserve (as the name of the watch might suggest), which echoes the vintage Panerai dive watches that were made for the Italian Navy about 70 years ago – note the engraving of, “OFFICINE PANERAI – 100M – STAINLESS STEEL – FIRENZE 1860,” hallmarks, too.

With an official retail price of $6,000 USD, the Radiomir Black Seal 8 Days PAM609 is among the more affordable Panerai models currently available. Although the PAM609 is considered an entry-level Panerai watch, you get plenty of value with this particular model. Along with the unmistakable and iconic Panerai aesthetic, you also get an in-house movement and a power reserve that lasts for more than an entire week. All told, that all makes for a value proposition that’s hard to beat.

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Paul Altieri