The movement of a complication watch is more delicate than that of a conventional watch since it contains a very large number of components. The smaller the components, the more delicate they are.
The recommendations made below will help you to preserve your complication watch for many years to come, with all its accuracy, regularity of rate and authenticity.
- Try to keep your watch away from all sources of magnetism, e.g., smartphones and computers, but also magnetized handbag clasps, loudspeakers or airport metal detectors. These in fact generate strong magnetic fields which may have an effect on your watch's movement ranging from minor interference to actually causing it to stop. In the latter case it will be necessary to call on the services of a Cartier watchmaker to carry out a demagnetization procedure.
- Never set your watch to the right time when the striking mechanism or perpetual calendar are in operation.
- When setting the time and date on your watch, respect the time and date adjustment periods specific to its movement. Changing the date between 10 pm and 2 am (or between 8 pm and 2 am for some mechanisms) may damage the gear-trains already set in motion.
- Do not force the crown when you feel that the spring is tense at the end of the winding process.
- Do not use the push-pieces, bolts and correctors of chronograph and minute-repeater watches when under water.
- To protect its movement from vibrations that might damage it, you are recommended not to wear your watch when playing sports such as golf or tennis.
- When your watch is not being worn, wind its movement for approximately a dozen turns of the crown to prevent the oils it contains from drying out.