Accurist MB 119 Operating Instructions Manual page 13

Avoid strong shocks
1. This watch will withstand the bumps and jars normally incurred during sports
activities.
2. Avoid dropping your watch on the ground or otherwise imparting severe
shock to it.
Avoid strong magnetic fields
1. Keep your watch away from strong magnets
2. Generally, your watch is not affected by magnetic fields from household
appliances such as television sets and stereo equipment.