AHS Watch Mainspring NOS

Calibre #Calibre #Calibre #
AHS 152AHS 42(CLD)AHS 54
AHS 152(CLD)AHS 43AHS 56
AHS 152(SC)AHS 43(CLD)AHS 70
AHS 153AHS 44AHS 70(CLD)
AHS 40AHS 45AHS 70(SC)
AHS 41AHS 46AHS 72
AHS 42AHS 47AHS 75