Other gen.

Audemars Piguet 2120-401, Winding stem, generic

Audemars Piguet 3120-401, Winding stem, generic, NEW

Jaeger Le Coultre 846-401, Winding stem, generic

Patek Philippe 28-255-401, Winding stem, generic

Valjoux 23, 72, 88-401, Winding stem, generic, NEW