Patent ID: 11868088
Assignee: SEIKO EPSON CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 0:
1. A timepiece comprising:
a timepiece movement including:
an axle;
a timepiece component formed of a silicon-made substrate having an insertion portion into which the axle is inserted;
a coating film disposed on a surface of the silicon-made substrate that defines a contact portion of the timepiece component that comes into contact with at least the axle; and
an indicating hand driven by the timepiece movement,

wherein the coating film contains a metal alkoxide having a fluorine atom, and a metal of the metal alkoxide is selected from the group consisting of titanium, aluminum, and zirconium, and
wherein the metal alkoxide of the coating film contains a long-chain polymer group that contains 9 to 24 carbon atoms.