Some specifications for this reference are on file; the record is incomplete.
Seiko · Prospex
Turtle
Ref. 6306-7001
discontinuedJDM cushion diverPartially documentedLast reviewed Not yet reviewed
Component compatibility
What this reference is documented to have carried, and in what capacity. A service part is the manufacturer's own work; only a counterfeit classification is a finding against the watch.
Documented calibers
1976–1982
21 jewels with hacking seconds. A non-hacking movement in this case is not a 6306.
Components
Whole production
The JDM and export Turtles share the case and its bezel parts; the difference between them is in the movement.