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.