The Japanese army only a Seiko brand. During the Second World War, the Japanese army's table for the short second hand chain crown Seiko, black dial digital gross, twelve point and a pentagram, I'm afraid China people also recognize after the war, many Japanese fans also made a special trip to the northeast to find this old table. The Japanese Navy used to express some like Longines Weems: big crown, spherical double ring dial, luminous digital and pointer, screw edge is of course seiko. In addition, there is a "national" word waterproof watches, Seiko naval watches. At that time, the air force table was similar to the Navy table, and many of them used the horizontal dial (twelve points at the crown), and the dial had the word "aeronautical chronometer, Seiko house".
After the war the SDF military are Seiko, one of the most rare is a specially designed for the MSDF mechanical single button and stopwatch with rotating outer ring, namely there is a timing button can make the second start, pause, back to zero. The case is engraved with the number of warships, rarely existing.