Jaeger-LeCoultre, Memovox, "Speed Beat", ca 1970.
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Case size: 37 mm
Material: steel
Movement: automatic, caliber 916
Year: circa 1970
Crystal: plastic crystal
Bracelet: leather strap
Reference number: E875
Movement number: 2'160'068
Case number: 1'386'964
Wear due to age and use.
The movement is running at the time of cataloguing, Bukowskis does not guarantee the future function of the movement. Please note that the movement has not been tested for timekeeping accuracy and may need a service at the buyer's expense. Watches have been opened to examine movements therefore no warranties are made that the watches are water-resistant. Potential buyers should inspect each watch to satisfy themselves as to condition. For more information, please read our Conditions of Purchase.
More information
Introduced in the early 1970s, the Jaeger-LeCoultre Memovox “Speed Beat” Ref. E875 marked a pivotal evolution in the iconic Memovox line. First launched in the 1950s, the Memovox, Latin for "voice of memory", was celebrated for its mechanical alarm complication, a practical yet charming function that quickly became a signature of Jaeger-LeCoultre. With the introduction of the Speed Beat series, and particularly reference E875, the brand brought this mid-century innovation into the modern era.
The reference E875 houses the Caliber 916, introduced in 1969, the first high-frequency automatic alarm movement developed by Jaeger-LeCoultre. Beating at 28,800 vibrations per hour, the “Speed Beat” nickname refers directly to this increased frequency, which enhanced precision and reliability over previous Memovox movements. Unlike its predecessors, Caliber 916 also featured a full rotor, a significant improvement in winding efficiency compared to the earlier bumper rotor calibers.
The stainless steel case measures a robust 37mm. Two crowns, one for setting the time and winding the movement, the other for setting the alarm, flank the case at 2 and 4 o’clock respectively.