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Ref. No. : ISO/R 764-1968 (E)
IS0
ORGAN I Z AT I O N FOR S TA N DARD 1 ZATl O N
I N T E RN AT I ON A L
I SO R ECO M M EN DATI O N
R 764
"ANTIMAGNETIC" WATCHES FOR GENERAL PURPOSE USE
1st EDITION
June 1968
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COPYRIGHT RESERVED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Also issued in French and Russian. Copies to be obtained through the national standards organizations.
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BRIEF HISTORY
The IS0 Recommendation R 764, “Antimagnetic” watches for general ,purpose use, was
drawn up by Technical Committee ISO/TC 114, Horology, the Secretariat of which is
held by the Association Suisse de Normalisation (SNV).
Work on this question by the Technical Committee began in 1965 and led, in
1966, to the adoption of a Draft IS0 Recommendation.
In March 1967, this Draft IS0 Recommendation (No. 1246) was circulatedto
all the IS0 Member Bodies for enquiry. It was approved, subject to a few modifications
of an editorial nature, by the following Member Bodies :
Australia India New Zealand
Chile Ireland Switzerland
Czechoslovakia Israel Thailand
France Italy U.A.R.
Japan United Kingdom
Germany
Greece Net herlands U.S.S.R.
No Member Body opposed the approval of the Draft
The Draft IS0 Recommendation was then submitted by correspondence to the
IS0 Council, which decided, in June 1968, to accept it as an IS0 RECOMMENDATION.
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ISO/R 764-1968 (E)
IS0 Recommendation R 764 June 1968
"ANTIMAGNETIC" WATCHES FOR GENERAL PURPOSE USE
1. SCOPE
'This IS0 Recommendation lays down the technical definition for "antimagnetic"
watches for general purpose use and describes the method for its verification.
2. DEFINITION
A watch bearing the mention "antimagnetic" - or any other similar term - should
comply with the minimum requirements described under section 5.
3. METHOD OF TESTING
3.1 A wrist watch should be tested without the br
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