Heuer 12-225, Fourth wheel
- HEUER original part in very good used condition.
- Fits Heuer cal: 12, 14, (base caliber: Buren 1281).
Versions: Heuer
- 11: N: = 19800.
- 12: N: = 21600.
- 14: as cal: 12 with 24h GMT.
- 15: as cal: 12, sub second instead of 12 h counter.
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