Description:

【Component】: This clock part is a mechanical clock mainspring assembly built within and surrounding cylindrical housing with a tightly wound spiral spring inside.

【Function】: Designed as a clock movement component, it stores and releases power to help drive the timing action in compatible mechanical clocks.

【Construction】: The clock mainspring assembly features a metal body, a dark inner spring, and a protruding shaft with a gear-style mounting structure.

【Finish】: Its brass-colored outer surface gives the spiral spring assembly a distinctive look while matching the visible metal construction.

【Use】: Intended for mechanical clock repair or replacement, this mainspring assembly supports the mechanism needed for a working clock mechanism.