Demagnetizing

Longines Ultra-Chron demagnetization

by John
January 27, 2017October 10, 2023

The Longines “Ultra-Chron” is a non-magnetic watch, i.e. protected from the influence of ordinary magnetic fields. If it has been accidentally exposed to an intense… Read More »Longines Ultra-Chron demagnetization

Magnetism – what is it?

by John
November 30, 2016October 10, 2023

Magnetism – what is it? Magnetism is an ever-constant and insidious enemy to horologists. The means by which a watch may be magnetized are so… Read More »Magnetism – what is it?