Heuer 12-8620, Hour recorder bridge

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

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

• 
  Fits Valjoux cal: 7740, 7741

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.