Valjoux 72, Hour recording runner, no: 8600

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  Used original part.

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  Fits cal: 72, 72c

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.