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Memovox

Introduced: 1950

Purpose / Inspiration: The Memovox—short for “voice of memory”—was Jaeger-LeCoultre’s first mechanical alarm watch. It was created for businessmen, travelers, and professionals who needed a discreet mechanical reminder without relying on anything electric. Over the years, it evolved into one of JLC’s most iconic complications, appearing in dive watches, world timers, and even automotive tie-ins—all with that signature buzzing alarm.

Designer: Designed by Jaeger-LeCoultre’s technical division in the post-war era; became a cornerstone complication for the brand

Case size:

  • Vintage: 34mm–36mm
  • Modern: 39mm–42mm
  • Master Memovox and Polaris Memovox: 40mm–42mm

Case options:

  • Stainless steel
  • 18k yellow or rose gold
  • Rare platinum editions
  • Cushion and round cases depending on the decade
  • Polished or brushed finishing, often with dual crowns

Powered by:

  • Caliber 489 / 814 / 916 (vintage manual-wind and bumper automatics)
  • Caliber 918 / 956 / 956AA (modern automatic with alarm module)
  • Alarm uses a separate barrel and hammer to produce a mechanical buzzing sound
  • Some references include date, world time, or diving features

Bezel:

  • Most models: fixed bezel
  • Polaris Memovox and Deep Sea versions: internal rotating bezel operated via second crown

Dial options:

  • Silver, black, blue, or grey
  • Center disk rotates to set the alarm time (indicated by an arrow)
  • Applied indices, dauphine or baton hands
  • Subtle minute track and date window on most modern versions

Water resistance:

  • 50m (standard Memovox)
  • Up to 200m for Polaris and Deep Sea Memovox models

Bracelet:

  • Alligator leather strap standard
  • Rubber or steel bracelet on sportier versions
  • Deployant clasp or pin buckle with JLC signature

Still in production, especially in the Polaris line, though classic Memovox models are also reissued periodically (e.g., 2020’s Memovox Timer)

Why it matters: The Memovox isn’t just a complication—it’s a signature Jaeger-LeCoultre innovation. One of the few mechanical alarm watches that actually works well, it’s practical, charming, and steeped in history. Plus, that buzzing sound? Pure mechanical magic.

The Watch That Reminds You: No app needed—just listen

Mechanical Alarm? Still Rare. Still Useful.

Businessman to Diver: From boardroom to bottom time, it adapted

It Doesn’t Just Tell Time—It Talks Back

References for Memovox