Για το 339 από το Purist:
The material used for the case is truly innovative in the field of fine watch-making: the Panerai composite is a material whose features and performance are exceptional, being practically immutable over time. The result of an electrochemical process of ceramization of the aluminium, this material is harder than the ceramics normally used for cases in watch-making (zirconia), and also harder than metals like steel and titanium, as well as being lighter. Thanks to its qualities of ductility and reliability, the Panerai composite allows for complex and extremely precise workings and is the result of processes that, up to now, were employed in the creation of components for the aeronautic industry and for car and motorcycle races requiring the highest levels of performance.
Και από το precisiontime.blogspot.com:
The PAM 339 has a 47mm Radiomir case. What makes this watch interesting is the material used for the case. To build the case, Panerai used a composite is a material which is the result of an electrochemical process of ceramization of aluminium. The ceramization process of aluminium is not the usual process used in the watch industry. In traditional process layers of ceramic particles are applied onto metal. In the Panerai process, aluminum cases are immersed in a chemical bath where it undergoes the process of "ceramization." Research into this process does yield a simple explanation as to how it is done.
But for most, the process matters less than the result. The resulting material is light, but harder than metals like steel and titanium. It is also more durable than traditional ceramic watches. The resulting finish is extremely durable dark matte brown finish. The case is water resistant to 100 meters.
Όπως βλέπεται η Πανεράι χρησιμοποιεί αλουμινένια πανάλαφρη κάσα που την εμβαπτίζει σε κεραμικό υλικό. Η κάσα παραμένει μεταλλική.
Όσο για το 292 με έβαλες σε σκέψεις αν είναι ατσάλινη ή αλουμινίου ή έστω εξ' ολοκλήρου κεραμική. Η οποιαδήποτε αμφιβολία θα λυθεί μόλις ανοιχθεί ένα 292. Τότε θα αποκαλυφθεί στις σπείρες της κάσας όπου βιδώνεται το καπάκι αν είναι μέταλλο ή όχι. Αν έχεις γνωστούς στο σέρβις ρώτα τους αν έχουν ανοίξει 292. Προκαταβολικά εικάζω πως είναι μέταλλο.
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