Generic and highly demanded spare part.
Suitable for Ratchet wheel 415 generic compatible to Valjoux 13, 23, 23C,72, 72C, 78, 88, 90, 230, 232, 234, 235, 236, 237, 720, 723, 724, 725, 726, 729 and 730.
Perfect fit in approved Ernst Westphal quality.
Availability very limited due to production in small series.