Magnetic field: avoid placing your watch at the top of the speaker or the refrigerator, because they have a strong magnetic field.

Swimming: stick with warm water after cleaning your watch in the swimming.

Impact: avoid heat or other impact.

Crown: carefully tighten the crown, to prevent internal water.

Cleaning: use the toothbrush and warm soapy water to clean the metal band and all the waterproof case, and wipe dry with a soft cloth.

Chemicals: avoid watches and solvents, detergents, perfumes and cosmetics and other direct contact, because they will corrode the watchband, watchcase and washer.