Jaeger-LeCoultre - Memovox – Black – E857

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Location: United States

Year: --

Reference number: E857

Accessories: Watch Only

Condition: Good

Material: Stainless Steel

Color Dial: Black

The Jaeger-LeCoultre Memovox holds a distinct place in watchmaking history as one of the first wristwatches to house a mechanical alarm complication, introduced in the 1950s and later adapted into a dedicated dive watch. This reference E857 wears the model's distinctive three-crown case, an architecture built specifically to separate timekeeping, alarm-setting, and the internal elapsed-time bezel into three independent controls. The black dial is laid out for legibility, with an inner rotating disc used to track dive or elapsed time, a signature feature of the Memovox diver's-watch variants.

Inside is a manually wound movement built around Jaeger-LeCoultre's mechanical alarm mechanism, which sounds an audible chime by striking a hammer against the caseback at a time set by the user. The movement drives the hours, minutes, and alarm function together, a mechanical feat that made the Memovox a genuinely useful tool for divers tracking time underwater.

• Brand: Jaeger-LeCoultre
• Model: Memovox
• Reference: E857
• Case (material): Stainless steel
• Dial: Black
• Movement: Manual winding, with mechanical alarm complication
• Strap/Bracelet: Leather
• Functions: Hours, minutes, mechanical alarm
• Special Features: Three-crown case, internal rotating elapsed-time disc