REPLACEMENT CLOCK MAINSPRING
TOP QUALITY SPRING 19mm x 36mm
400 DAY CLOCK MAINSPRING
19mm high - 0.43mm thick spring (strength) - ideal size for approximately 36mm barrel diameter
Made from quality steel & used by professional clockmakers.
Many professional clockmakers replace a clocks mainspring not only when it breaks but as part of a complete service.
A mainspring winder is advised as removal and fitting without one can cause damage or injury.
Other clock spring sizes ranging from 3mm high up to 43mm are also available in our shop.