Watch Movement Mainspring Clockwork Spring for cal.1003-770 cal.849 cal.2003 watch Mechanical parts

● Fit for: cal.1003-770 cal.849 cal.2003 watch
    Such as: 
cal.1003-770: vacheron constantin
cal.849: Jaeger-LeCoultre
cal.2003: Audemars Piguet

● Quantity: 1 piece/set
Model