Valjoux 23

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The Valjoux 23 family of chronograph movements was widely used and produced for nearly 60 years.

The Valjoux 23 family is 13 ligne in size (29.5 mm) with a nine-pillar column wheel. It is typically a two-register design, with small seconds at 9:00 and a 30- or 45-minute counter at 3:00. Flyback, calendar, moon phase, and other complications were sometimes offered as well. The well-known Valjoux 72 was a variant with three subdials, adding an hour counter at 6:00.

Family

  • 18,000 A/h
    • Valjoux 23
      • Valjoux 230 - Flyback
      • Valjoux 23C - Calendar
    • Valjoux 232 - Smaller crown wheel
    • Valjoux 72 - Hour counter
      • Valjoux 720 - Hour counter, flyback
      • Valjoux 72C - Hour counter, calendar
    • Valjoux 78 - Calendar (not a chronograph)
    • Valjoux 88 - Hour counter, calendar, moon phase
    • Valjoux 90 - Calendar, moon phase (not a chronograph)
  • 21,600 A/h
    • Valjoux 236
      • Valjoux 234 - Date window
      • Valjoux 235 - Flyback
      • Valjoux 237 - Date window, flyback
      • Valjoux 725 - Hour counter, flyback
      • Valjoux 726 - Hour counter
      • Valjoux 729 - Hour counter, 24 hour hand
      • Valjoux 730 - Hour counter, calendar
      • Valjoux 227 - Not a chronograph (Rolex)
      • Valjoux 228 - Not a chronograph (Certina)