1960s Jaeger-LeCoultre Memovox 'Jumbo' 37mm | Ref.855 | Cal. K815 | Gay Frères Bracelet

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Behold! The example you see here is the first automatic alarm watch ever made, don't be mistaken, Jaeger LeCoultre made many variants of the Memovox over the years but this particular example, the caliber 815, is the first interpretation of the icon. Not just that, most of these are made on 35 or 36mm cases, this so-called ¨Jumbo¨ features a whopping 37mm stainless steel case.

Another thing not less important to consider is the configuration, this is a No-Date watch, 95% of all Memovoxes have a date window at three o'clock.

In 1956 Jaeger-LeCoultre launched the K815 caliber, the world's first automatic alarm wristwatch, the reference 855 with a caliber K815 were made in very short quantities.

The original Gay Frères Bracelet is included, is very hard to find one with the bracelet nowadays.

Next to the Reverso, the Jaeger-LeCoultre Memovox is one of their most iconic vintage watches from the brand.



This watch is in great overall condition, the case is very sharp and retains its original lines. The dial is clean with a very light even patina more pronounced on the edges.
Inside the case back we can see some small scratches probably made during the opening and closing of the back.

The watch is in running condition and keeps good time for a watch of its age.


Maker: Jaeger-LeCoultre
Model: Memovox
Reference: E855
Year: Circa 1960s
Material: Stainless steel
Dimensions: 37mm diameter; 12mm thickness
Sapphire Crystal: No, plexiglass
Lume: Tritium
Caliber: Automatic caliber 815 movement
Bracelet/Strap: Original  Gay Frères Bracelet
Lug width: 18mm
Box/Papers: No

-This watch was photographed on a 6.9 inch / 175mm wrist.

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