No.021
Diver's 150m
(Mechanical movement : 6105)

Commercialization: in 1968

Feature:

The early diver's watch using the movement of self winding mechanical movement. The same model as Mr. Naomi Uemura used it for the Arctic Ocean expedition. As for the movement, the mechanical caliber [6105] of six beats is carried. The case is made of stainless steel.