Short answer
Keep your watch away from heat, water it isn't rated for, magnets and hard knocks. Wipe off sweat after use, keep the crown pushed in, replace dead batteries quickly, and have the watch checked whenever the battery is changed. These simple habits can add years to a watch's life.
10 simple tips
- Wipe the watch and strap after sweating, especially in summer.
- Don't leave it in a hot car or in direct sunlight.
- Keep the crown fully pushed in.
- Don't press chronograph buttons under water.
- Keep it away from strong magnets such as speakers and magnetic phone cases.
- Take it off for heavy work, gym lifting and sports where it can be knocked.
- Replace a dead battery quickly to avoid leakage.
- Let leather straps dry naturally, away from heat.
- Store it in a box or soft pouch, not loose in a drawer.
- Have it checked or serviced every time the battery is changed.