Landeron winding pinion cal. 48 51 148 149 151 189 248 349 / part 410 (new)

Landeron winding pinion / pignon de remontoir / part 410

It fits all following calibers :

48 51 54 55 82 85 86 148 149 151 152 153 154 155 180 181 185 186 187 189 203 248 254 349

Neuf de stock / New old stock never used