Longines 501-415, Ratchet wheel

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  LONGINES original part in factory sealed packaging.

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  Comes with screw.

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  Fits cal: 501, 503, 505, 506, 507, 508

Data: Longines cal: 501 (Record 1955)

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  17 jewels, automatic winding, date.
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  Size: 11.5''' 25.6 mm.
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  H: = 5.3 mm.
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  N: = 19.800 A/h.
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  Power reserve: 44 h.

Versions: 19800 A/h:

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  501: date.
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  503: day, date.
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  505: quickset date.
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  507: day, quickset date.

Versions: 21600 A/h, micrometer regulator:

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  506: quickset date.
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  508: day, quickset date.