301 Regulator for flat hairspring, Felsa 28, Felsa 21, Felsa 21N, Felsa 22, Felsa 22N, Felsa 26, Felsa 27, Felsa 29
€6.50
301 Regulator for flat hairspring, Felsa 28, Felsa 21, Felsa 21N, Felsa 22, Felsa 22N, Felsa 26, Felsa 27, Felsa 29