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Panerai Luminor Perpetual Calendar Platinumtech™ -PAM00715, case diameter 44mm/Platinumtech™ case/P.4100 movement/perpetual calendar/3-day power/waterproof 50 meters.
When you first see these two watches, it is difficult to directly associate them with perpetual calendar watches. They look like Panerai's classic dial pattern. The information indicated on the sandwich dial is in addition to the hours and minutes and the third hand indicator on th