case spring


Definition of case spring

: one of two springs controlling the hinged cover of a hunting watch, a lock spring that keeps it closed and a lift spring that causes it to open when the lock spring is released by pressure on the crown

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First Known Use of case spring

1866, in the meaning defined above

History and Etymology for case spring

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The first known use of case spring was in 1866

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Cite this Entry

“Case spring.” Dictionary, Merriam-Webster, Accessed 29 Oct. 2020.

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