90.93 Standard confirmed Jun 10, 2021
ISO
ISO/TC 114 Horology
International Standard
39.040.10 Watches
Published
ISO 3159:2009 lays down the definition of the term “chronometer”, describing the categories, the test programme and the acceptable minimum requirements for wrist-chronometers.
WITHDRAWN
ISO 3159:1976
PUBLISHED
ISO 3159:2009
90.93
Standard confirmed
Jun 10, 2021