here is some information from the OW-website, the year was 1964.
By: Bobbe : December 16th, 2020-12:14
OW - CARIBBEAN OCEANGRAPH One of OWβs most iconic models, the Caribbean is a record-breaking watch in its own right, as OW beat its rivals Omega and Rolex in the race to the deep-sea, making it certifiably water-resistant up to 100 ATM which amounts to a ...