Valjoux 7733-5423, Screw for crown wheel core

• VALJOUX original part in very good used condition.

• 1 pcs.

• Fits cal: 7733, 7734, 7736, 7737

Versions:

• 7733: 60 s, 30/45 min counter.
• 7734: 60 s, 30/45 min counter, date.
• 7736: 60 s, 30/45 min, 12 h counter.
• 7737: 60 s, 10 min counter. Countdown 10 min for sailing.