Omega 321-1793, Spring for 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).