The Memovox was first introduced by Jaeger-LeCoultre in 1950/51 with the manually wound Calibre 489. The two separate crowns allowed you to manually wind and set the alarm and timekeeping parts of the movement separately. The name Memovox is a composite of two Latin word, Memor (remembering) and Vox (voice), meaning "the voice of remembering," a perfect choice for an alarm watch.
The "Speed Beat" variant of the Jaeger-LeCoultre Memovox, the brand's iconic alarm watch, earned its nickname from the 4 Hz frequency of the self-winding caliber 916 inside.
It is believed that the Memovox ref. E875 was produced by Jaeger-LeCoultre from approximately 1970 to 1981, with a total production run of less than 8,000 watches.
This example is in overall excellent original condition.
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