A watch not only tells the time , it is also a tribute to very brave men. Some who go above and some who go below. Regards Jeff UK
https://www.salonqp.com/features-2/custom-made-panerai-many-watches-royal-navy-clearance-divers/ It also covers the 2 others from Omega and Rolex. Odd that there are 3 of these pans for sale currently.