Valjoux 7730-410, Winding pinion

• VALJOUX original part in very good used condition.

• Fits cal: 7730, 7731, 7733, 7734, 7736, 7737

Versions:

• 7730: 60 s, 30/45 min counter.
• 7731: 60 s, 30/45 min counter, adjustable stud carrier.

Versions, completely redeisgned:

• 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.