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summary
Timekeeping instruments. Wrist-chronometers with spring balance oscillator. | Status: Confirmed, Current
description
1 Scope
This International Standard lays down the definition of the term “chronometer”, describing the categories, the test programme and the acceptable minimum requirements for wrist-chronometers.
NOTE Wristwatches using a tuning fork oscillator are subjected to these tests pending the availability of separate standards.
Details
Publisher
BS
File size
287.9 KB
Pages
14
Format
PDF
Publication date
2010-02-28
ISBN-13
978-0-580-68480-7
ISBN-13 plain
9780580684807
ISBN-10
0580684807