Zodiac 70-309/2, Regulator

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  NOS ZODIAC original part.

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  Fits cal: 70, 72, 74, 75, 76

Data: Zodiac 72B (Base caliber AS 1687/1688)

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  21 jewels, automatic winding, sweep second, date, quickset, hack feature.
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  Size: 11.5''' 25.60 mm.
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  H: = 5.10 mm.
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  N: = 21.600 A/h.
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  Power reserve: 40 .

Versions: 21.600 A/h. All versions, Suffix:

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  A: precision regulator.
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  B: quickset date.
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  D: Higher cannon pinion and hour wheel for mystery watches.

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  61: manual wind.
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  68: manual wind, date.
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  70: automatic wind.
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  72: automatic wind, date.
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  74: automatic wind, calendar.
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  75: automatic wind, date, 24 h display.
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  76: automatic wind, day-date.

Versions: 36.000 A/h.

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  78: automatic wind, date.
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  86: automatic wind, day, quickset date.
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  88: automatic wind, quickset date.