How can we protect watches from magnetic fields? - Wishdoit Watches

How can we protect watches from magnetic fields?

Anti-magnetic watch does not mean that all parts in the watch are anti-magnetic, it just means that some main parts, such as the balance wheel, hairspring, spring, etc., are made of anti-magnetic materials. According to international standards, if the watch can continue to operate under a magnetic field of 4800A/m, and the maximum error does not exceed 30 seconds one day after the test, it meets the anti-magnetic standard.
Do you know what a watch craftsman's canvas is? - Wishdoit Watches

Do you know what a watch craftsman's canvas is?

Date indications were present on early clocks. A full calendar, which is meant to include the day, the month, and the usual phases of the moon appearing soon. By the late 16th century, calendars appeared on watches. Even at the beginning of the 20th century, when watches had gradually expanded their market share, manufacturers did not see that much of an opportunity to put the date on the watch.