Omega 321-1780, Hour recorder stop lever
- OMEGA original part in factory sealed packaging.
- Fits cal: 321
Versions:
- 320: 60s, 30 min counter, H=5,57 mm, (base: Lemania CH27).
- 321: 60s, 30 min, 12 h counter, (base: Lemania CH27 C12).
Versions:
