Jaeger-LeCoultre “Memovox-plongeur”

Swiss Watch Fair 1971 BF 210
Alarm-watches are making a big showing this year in Basle. Designed for underwater diving, this model has a high-frequency (28,800 v.p0h.) omatic movement hermetically sealed in a stainless steel case which is water-resistant to a depth of 100 metres (10 atm0)0 Turning bezel, tempered crystal and calendar. (JAEGER-LECOULTRE “Memovox-plongeur”)