Made by a company called DPW in the early 80’s
this is a 1000m automatic dive watch with an ETA 2424 25 jewel high quality movement.

DPW were an Italian based company who produced these very good quality dive watch for a few continental countries various military units
Beuchat for the French Paras, Comsubin for the Italian elite unit and commercial they were available under the ‘Candino’ brand.

http://www.deskdivers.com/Site/candino1000.html