The seal may be affected by wear or by an accidental shock to the crown. Water-resistance: we cannot guarantee that your watch will be permanently water-resistant.Temperatures: avoid exposing your watch to extreme temperatures (over 60 ° C or 140 ° F and under 0 ° C or 32 ° F) and to sudden fluctuations in temperature.which may damage the bracelet or strap, the case or the seals. Chemical products: avoid all direct contact with solvents, detergents, perfume, cosmetics, etc.Cleaning: use a toothbrush and soapy water to clean metal bracelets and water-resistant cases and a soft cloth to dry off afterwards.Push-in crown: always push the crown back in to the neutral position to avoid any humidity getting into the mechanism.Screw-in crown: always make sure you have screwed the crown in fully to avoid any humidity getting into the mechanism.Shocks: avoid subjecting your watch to shocks, including sudden changes in temperature.
Salt-water: always rinse your watch in fresh water after swimming in the sea.Magnetic fields: avoid putting your watch on a loudspeaker or on a refrigerator because these machines create magnetic fields that may damage it.