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Anti-magnetic watches

Watches that continue to operate (with deviations under particular limits) when exposed to the influence of magnetic fields of a certain strength may be called anti-magnetic according to DIN.

Anti-shock movement mount

A unique rubberised mount which encloses and secures the watch movement in a case connected to the outer case solely by a flexible ring. Shocks to the watch allow the movement case to float and absorb much of the shock energy. 

Automatic winding

This relates to a watch where the mainspring is wound by harnessing the movement of the wearer’s arm/wrist. These movements cause the rotor (an oscillating weight) to rotate and wind the mainspring.