Heuer 11-5121, Screw for balance cock
- Used Heuer original part in very good condition.
- Same as: 5110 (Screw for train wheel bridge)
- 5424 (screw for intermediate crown wheel)
- 51142 (screw for upper auto bridge).
- 1 pcs.
- Fits Heuer cal: 11, 12, 14, 15, (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.