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ISO 764:2020(EN) Horology — Magnetic resistant watchesISO 764:2020 was created by Technical Committee ISO/TC 114, Horology, Subcommittee SC 12, Antimagnetism.
ISO 764:2020 is the fourth edition of ISO 764 series and was canceled and replaced the third edition (ISO 764:2002), which was technically revised. The main changes compared to the earlier edition are as follows:
— additions of enhanced magnetic resistant watches and relationship with the distance from products generating magnetic fields.
Mechanical watches; the motion of the spring balance oscillator responsible for the accuracy of the watch may be adversely affected, resulting in an influence on their accuracy. In the case of electronic watches, the rotation of the motor(s) that moves the hand(s) is effected.
Also, as magnetic fields are invisible, they are not easily understood by the customers & the strengths of magnetic fields are closely related to the distances between the watch and the sources of magnetic fields generated by products. For the effect on the accuracy of watches, since the strengths of magnetic fields differ with the distances from the sources of magnetic fields, it is advisable to make customers understand magnetic fields encountered in daily life and their strengths, and the distance relationship between watches and the sources of magnetic fields.
Based on the above, products generating magnetic fields encountered in daily life, and the relationship between the strengths of magnetic fields generated by these products and the distances from the sources of magnetic fields are summarized in the standard
The following two types are defined: magnetic resistant watches that can withstand the strengths of magnetic fields encountered in normal daily life and enhanced magnetic resistant watches that can withstand strong magnetic fields.
ISO 764:2020 defines the minimum requirements and test methods for magnetic-resistant watches.
Also, ISO 764:2020 applies to magnetic-resistant watches designed to withstand daily magnetic fields.
Moreover, it indicates the marking that the manufacturer is authorized to apply to them.
If you need more support with ISO 764:2020 please contact us at +91-8595603096 or firstname.lastname@example.org