The idea of writing a series of articles packed with photos of pillboxes was always on my mind. My aim is to record as much as possible the remaining pillboxes
In 1936 Panerai carried out tests on precision instruments that would equip the Italian Royal Navy's new underwater assault vehicles and operators under a secret programme. Ref 2533 outperformed the other prototypes and later its successor Ref 3646, illuminated by a radium paste, became known as the Radiomir military watch.