Landeron setting wheel cal. 48 51 148 149 151 189 248 349 / part 450 (New)

Landeron setting wheel , part 450

It is the "setting wheel", not the "winding pinion"

It fits all following calibers :

48 51 54 55 82 85 86 148 149 151 152 153 154 155 180 181 185 186 187 189 248 254 349

Neuf de stock / New old stock