No.005
Professional 600m
diver's watch
(Analog quartz movement : 7C46)

Commercialization: in 1986

Feature:

The professional diver's watch model which attained small and thin shaped design as 600m saturation diving specification; movement is the same as that of 1000m, and magnetic-resistant ability is excellent and it is using the highly efficient caliber [7C46] with the high reliability of higher output torque than before. Although the case structure is a standard type two-piece case (with screw case back) specification, there are 17 new technologies in this case such as; the powerful glass screw ring fixed structure same as 1000m with the same glass fixing structure, L shaped glass gasket structure, glass screw ring fixing structure, twin side shield crown structure, special elastic strap made from polyurethane rubber.