Swiss Made between 1959-1961 with a Schild AS-1701 mechanical movement, cyclops date, 10 ATM 17 jewel automatic, and lolipop second hand with bi-directional bezel.
This is the original Aquastar 60 and not the re-issue.
The historic watch that went to go the bottom or the Mariana Trench during the 1960 epic dive by Don Walsh in the Deep Sea Challenge ocean mission.