Longines EXPO

Swiss Watch Fair 1967-BF 47
This Longines model is equipped with a high-precision, 36,000 vibrations per hour movement systern which the firm had developed for its very high-precision chronographs as early as 1959. But the striking fact is that this systern is now being used in an automatic wristwatch Its undoubted advantages are above all an exceptional stability of its rate and its dimensions : no larger than those of a standard automatic watch. lt even includes a calendar. Montreal Expo 67 official timepiece. Steel or gold case waterproof - one-piece system. (LONGINES EXPO 67 model)