MAGNETIC FIELDS
Avoid leaving your watch near electromagnetic sources, as they may affect the operation of your timepiece.
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CLEANING
Use a toothbrush and soapy water to clean metal bracelets and waterproof casings, then rinse with fresh water. Dry with a soft cloth.
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SALT WATER
Always rinse your watch with fresh water after contact with salt water.
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CHEMICALS
Avoid direct contact with solvents, detergents, perfume, cosmetics, etc., which could damage the bracelet, casing or seals.
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WATER RESISTANCE
A watch's water resistant properties cannot be guaranteed indefinitely. They can be affected by seal wear or accidental shock. We recommend that you have your watch's water resistance tested once a year by an authorised Longines service centre.
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SHOCKS
Avoid subjecting your watch to shocks, including sudden changes in temperature.
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TEMPERATURE
Avoid exposing your watch to extreme temperatures (less than 0°C or 32°F and more than 60°C or 140°F) and sudden changes of temperature.
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SCREW-DOWN CROWN
Before immersing your watch in water, make sure the crown is carefully screwed down to ensure no water enters the mechanism.
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BASIC CROWN
Always push the crown back into the neutral position to ensure no water enters the mechanism.
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CHRONOGRAPH PUSHERS
Do not operate the pushers under water, or water may enter the mechanism.
