Jaeger-LeCoultre “Memovox”

Swiss Watch Fair 1970 BF 22
This alarm watch is equipped with an entirely new automatic movement. The rotor oscillates on a ball bearing and the balancewheel has a 28,800-per-hour vibration rate. Vlater-resistant steel case Dark dial with large red zone. Calendar. (JAEGER-LECOULTIRE “Memovox”)