
Timekeeping instruments. Wrist-chronometers with spring balance oscillator.
STANDARD published on 28.2.2010
Designation standards: BS ISO 3159:2009
Publication date standards: 28.2.2010
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 580 68480 7 Status: Under Review