Heuer 11-8146/1, Reverser

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  New Heuer genuine part from a N.O.S. movement, not in factory packaging.

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  Fits Heuer cal: 11, 12, 14, 15, (base caliber: Buren 1281).

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  Fits Valjoux cal: 7740, 7741

Versions: Heuer

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  11: N: = 19800.
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  12: N: = 21600.
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  14: as cal: 12 with 24h GMT.
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  15: as cal: 12, sub second instead of 12 h counter.