Details
SEIKOSHA: A JAPANESE MILITARY OPEN FACED KEYLESS LEVER POCKET WATCH AND SINGLE BUTTON CHRONOGRAPH signed Seikosha, circa 1940.
nickel finished 17-jewel lever movement, overcoil hairspring, silvered dial with Arabic numerals and red 24-hour numerals, two subsidiary dials for seconds and 30-minute register, centre chronograph hand operated by button in the crown, blued steel spade hands, plain nickel case, hinged back enagraved with Japanese characters, button to operate chronograph situated in the crown, diameter 52mm.