Valjoux 72c, Month jumper, no: 2578

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  NOS original part.

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  Fits cal: 72c, 88, 90

Versions: 13'''

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  23: 30/45 min counter.
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  23c: 30/45 min counter, calendar.
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  72: 30 min, 12 hour counter.
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  72c: 30 min, 12 hour counter, day, date, month calendar.
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  88: 30 min, 12 hour counter, day, date, month calendar, moon phase.
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  90: sweep second, day, date, month calendar, moon phase.