Magnetic field: avoid placing your wristwatch over the amplifier or refrigerator because they have a strong magnetic field.
Impact: Avoid high temperature or other impact.
Lock the crown: be careful of locking crown tight to prevent water from entering the watch parts.
Chemicals: avoid the watch directly contacting solvents, detergents, perfumes and cosmetics because they will erode bracelet, watch case and gasket.
Temperature: do not expose your watch to the environment with drastic changes in temperature (immediately immersed in cold water after insolation) or extreme temperature (above 60 degrees Celsius or 140 degrees Fahrenheit, below 0 Celsius or 32 degrees Fahrenheit).
Timing button: do not operate the timing button in the water, to prevent water from entering the watch parts.