REPLACEMENT CLOCK MAINSPRING
TOP QUALITY GERMAN MADE SPRING
18mm high - 0.40mm thick spring (strength) - ideal size for approximately 45mm barrel diameter
Made from quality steel & used by professional clockmakers.
Many professional clockmakers replace a clock's 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 rangeing from 3mm high up to 43mm are also available in our shop.