Store your watch in a dust-tight pouch, case or cabinet. Valuable watches should be kept in a safe or strong box.
Glass and metal do not make good storage boxes, not even for overnight storage. These materials tend to be too cold for the watch - cold temperatures cause the oil in the watch to be used more quickly.
Wind your watch daily and if possible always at the same time of day.
With mechanical watches in general and with complications in particular, try not to make any adjustments (for example, date corrections) between 10 o'clock at night and 2 in the morning. When you do change the date, change it generally only forwards.
If you wish to store an automatic watch for an extended period, a rotation machine is recommended to keep the automatic winding mechanism working and the spring loaded. This will prevent the need to reset the time and date and will prove particularly useful when storing watches with eternal calendars. It is not necessary to keep an automatic watch in constant motion. It is sufficient to wind them or run the rotation machine once every month or two.
Store quartz watches without the batteries as acid may leek from an empty cell and damage the mechanism or facia.
Watches without a three-component screwed housing or screw-down crown should not be taken into the sauna or swimming.
Protect your watch as far as possible from 'temperature shocks'. Even if water does not enter the watch from the outside, the humidity already in the watch can cause oxidisation and damage the facia or mechanism.