100 m is a diver watch, 200 m is , 300 m, 2000 m ... How about
10,916 m with real test ?
The following picture shows you what a real diver watch is: The
Rolex - Deep Sea Special
This Rolex was descended to 10,916 m in the Marianas Trench, which
is the deepest ocean, on the hull of the research submersible "Triest"
on 23 January 1960.