FOR SALE, OLD CHRONOGRAPH YEMA AROUND 1969/1970 WITH MOVEMENT CALIBER VALJOUX 7733 (SWISS MADE). MY WATCH RUN PERFECTLY, THE CHRONO IS IN WORKING ORDER. THIS WATCH HAS BEEN DESIGNED BY YEMA FOR DIVING & YACHTING SERVICES. YEMA WAS A WATCHMAKING COMPANY LOCATED IN BESANCON (FRANCHE COMTE). VERY RARE …