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1. (WO2018101332) TIMEPIECE CASE

Pub. No.:    WO/2018/101332    International Application No.:    PCT/JP2017/042815
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Thu Nov 30 00:59:59 CET 2017
IPC: G04B 37/22
G04B 37/11
Applicants: KYOCERA CORPORATION
京セラ株式会社
Inventors: TERAZONO,Haruhiko
寺園 治彦
HAYASHI,Shinichi
林 真一
Title: TIMEPIECE CASE
Abstract:
A timepiece case according to the present disclosure is made from ceramic. Further, the timepiece case is provided with a mating surface which opposes a lid member when mating with said lid member. Furthermore, in the mating surface, an arithmetic mean roughness Ra obtained from a roughness curve is at most equal to 0.6 μm, and a projection peak height Rpk obtained from the roughness curve is at most equal to 0.9 μm.