ESA 9150 Dynotron

• 
  Used incomplete ESA movement with working electronics and balance for parts or repair, overall in very good condition.

• 
  Missing: hour wheel, battery holder, stem and clutch wheel.

Technical data ESA 9150 (1967 - 1970).

• 
  13 jewels, electronically controlled balance motor, date.
• 
  Size: 12.5''' 28.0 mm.
• 
  H: = 5.55 mm.
• 
  N: = 21.600 A/h.
• 
  Battery: 344

Versions:

• 
  9150: 21.600 A/h.
• 
  9154: 28.800 A/h, 1970 - 1975.