Panerai lists the PAM01466 and PAM01543 as 44 mm Submersible QuarantaQuattro Luna Rossa Ti-Ceramitech watches. Both are specified with a blue Ti-Ceramitech case, a three-day power reserve and 50 bar (approximately 500 metres) water resistance. Panerai provides more detailed specifications for the PAM01466; the catalogue does not establish the precise differences between the two references.
What the PAM01466 and PAM01543 have in common
Panerai’s catalogue identifies both watches as 44 mm Submersible QuarantaQuattro Luna Rossa Ti-Ceramitech models. It lists an automatic movement, three-day power reserve and 50 bar (approximately 500 metres) water-resistance rating for each. The catalogue also lists hours, minutes, small seconds, date, calculation of immersion time and stop-seconds among their functions. Panerai’s PAM01466 product page and its official catalogue are the available product references.
Those shared catalogue specifications do not make the references interchangeable in every detail. The product-page information below applies specifically to PAM01466; the catalogue does not provide enough detail to assign those features to PAM01543.
What is specified for PAM01466
Movement and functions
Panerai specifies the PAM01466’s automatic mechanical P.900 calibre, with 23 jewels, 171 components and a frequency of 28,800 alternations per hour. Its stated power reserve is three days. The listed functions are hours, minutes, small seconds and date; the broader catalogue listing also includes calculation of immersion time and stop-seconds.
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Case, bezel and dial
The case is blue Ti-Ceramitech, with a screwed titanium case back. Panerai lists an anti-clockwise rotating bezel with a graduated scale. The blue sun-brushed dial has luminous hour markers and dots, a date window at 3 o’clock and small seconds at 9 o’clock.
Straps and buckle
For PAM01466, Panerai lists a blue Luna Rossa bi-material rubber-and-textile strap in 24/22 sizing, plus an additional blue accordion rubber strap, also in 24/22 sizing. The listed buckle is sandblasted titanium in a trapezoidal shape. These are specifications for PAM01466, not confirmed details for PAM01543.
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- Metal type: alloy
- GOOD DESIGN: watch bands are meticulously designed to elegance, function, and charm, providing better wearing comfort, and better choice watchband replacement for every watch. We insist on making the watch straps meet our high quality standards, including stronger stainless steel hardware, to make sure every leather watch band stands out and holds up.
- MATERIALS: The designed buckle is appropriately curved to be a perfect fit for the wrist and straps. Overall, the quality materials and humanized design come up with a fine detail and craftsmanship watch strap.
- BEST GIFT: This is a fashionable watch band that can be used as a gift for friends, relatives, etc., a product that you can trust.
What Panerai says about Ti-Ceramitech
Panerai says development of Ti-Ceramitech took seven years and that the blue case material draws inspiration from ceramic-treated components used aboard the Luna Rossa boat to reduce friction under heavy loads. The company describes Ti-Ceramitech as around 44% lighter than steel and its fracture toughness as ten times greater than ceramic. Those comparisons are manufacturer claims; the cited product material does not provide independent testing to verify them.
Panerai presents PAM01466 as part of its ongoing partnership with the Italian Luna Rossa team, bringing together competitive sailing and watchmaking. The product page’s material story provides context for the name, but it should not be read as evidence that these watches have been independently tested for the stated comparative material performance.
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What is—and is not—known about the two references
| Detail | PAM01466 | PAM01543 |
|---|---|---|
| Catalogue identity and size | Submersible QuarantaQuattro Luna Rossa Ti-Ceramitech; 44 mm (Panerai catalogue) | Submersible QuarantaQuattro Luna Rossa Ti-Ceramitech; 44 mm (Panerai catalogue) |
| Case and dial | Blue Ti-Ceramitech case; blue sun-brushed dial listed on Panerai product page | Blue Ti-Ceramitech case listed in catalogue; dial details not stated in the reviewed catalogue |
| Movement and reserve | Automatic P.900; three-day reserve (Panerai product page) | Automatic movement; three-day reserve (Panerai catalogue); calibre not stated there |
| Water resistance | 50 bar, approximately 500 metres (Panerai catalogue) | 50 bar, approximately 500 metres (Panerai catalogue) |
| Strap | Blue bi-material rubber/textile strap and additional blue accordion rubber strap listed by Panerai | Not stated in the reviewed catalogue |
| Current price and availability | Not established by the cited product material | Not established by the cited product material |
The catalogue labels itself Catalogue 2025, although its PDF path contains “Catalogo_2024”; that file naming alone does not establish an exact release date. Panerai’s PAM01466 page directs visitors toward purchase, concierge or boutique contact, but it does not establish current regional stock or pricing. Availability and price therefore need to be checked with Panerai or a local boutique.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Who these watches may suit
The catalogue specifications point to a large, water-resistant Submersible with a rotating graduated bezel, while the Luna Rossa details and blue Ti-Ceramitech case give the PAM01466 a clear sailing-team identity. The 44 mm case and 50 bar rating are published specifications, not a substitute for checking fit, care guidance or suitability for a particular activity with Panerai. Buyers comparing the PAM01466 with PAM01543 should confirm the second reference’s dial, strap and movement details directly rather than infer them from the PAM01466 listing.
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