Jaeger Lecoultre Memovox Ref E873 Speed BeatThe 70s Style Alarm.. This is a very cool and unusual version of the JLC Memovox alarm watch that just screams 1970s cool! The word Memovox was invented by Jaeger Le Coultre and is actually an amalgamation of two latin words. Memor, which means remembering and Vox, which means voice. The very 70s era style case measures 39mm and has two, original, JLC crowns. As with the whole watch, the dial is in great and original condition, with a cool blue soleil