No.012
Scuba master
(Dive computer : M725)

Commercialization: in 1990

Feature:

This watch is the high-class type model of the world's first dive computer watch which is inputted the dive table of non-decompressed diving of the U.S. Navy, and measures not only the present depth of water and diving time but also the surface interval time, and calculate and display the non-decompressed diving information on next diving at the time of repetitive diving. Moreover, log data is recorded by 30 times and it is useful also to diving management. Since the hard coating by two-tone IP (Ion-plating) of gold and gray color is formed in this case, it is excellent also in durability that a crack cannot be attached easily.