Mechanical oscillator for timepiece having a balance (10) and a hairspring (12). The balance (10) and the hairspring (12) are made of the same material. This material is non-magnetic and possesses a very low thermal expansion coefficient.
申请公布号
WO2008080570(A2)
申请公布日期
2008.07.10
申请号
WO2007EP11287
申请日期
2007.12.20
申请人
COMPLITIME S.A.;ORNY, FRANCK;FORSEY, STEPHEN;GIRARDIN, JOHNNY
