Arctos, a gentleman's gilt and steel 24-hour and world time zone automatic wristwatch, circa 1956,

细节
Arctos, a gentleman's gilt and steel 24-hour and world time zone automatic wristwatch, circa 1956,
silvered dial signed Arctos Horometer Automatic, inner dial with Arabic minute numerals, 24-hour ring revolving once per hour, outer rotating time zone ring with letters of the alphabet corresponding to Isopart time zones, 22-jewel gilt self-winding movement, gilt case with steel snap on back, diameter 33mm.