Timepiece component, timepiece movement, timepiece, and method for manufacturing timepiece component

Abstract

Provided is a timepiece component in which a paramagnetic hairspring is welded to a collet with high strength. A timepiece component includes a collet fixed to a balance staff, a hairspring formed of a paramagnetic material and including an inner end portion fixed to the collet, and a melting portion in which the collet and the hairspring are melted to fix the collet and the inner end portion to each other. The melting portion includes a first melting portion provided at a position on a first side in an axial direction with respect to the inner end portion, and a second melting portion provided at a position on a second side in the axial direction with respect to the inner end portion.

Dependencies are inferred from the claim text.