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Methods of evaluation of the battery life of a battery-powered watch
90.92 Standard to be revised
Horology — Harmonized practices to demonstrate chemical regulatory compliance of wrist-watches
60.60 Standard published
Timekeeping instruments — Watch external parts made of hard material — General requirements and test methods
90.93 Standard confirmed
Timekeeping instruments — Wrist-chronometers with spring balance oscillator
90.60 Close of review
Methods of evaluation of the battery life of a battery-powered watch
20.00 New project registered in TC/SC work programme
Primary batteries — Part 3: Watch batteries — Technical Corrigendum 1
60.60 Standard published
