Read the instructions of the Ultra Sonic Cleaner.
Use filtered / distilled water water only.
Do not put the whole watch into the Ultra Sonic Cleaner
because the vibration of water may loosen the screws,
screw back, crown, ... and let the water go into the
You can clean the disassembled watch parts, bracelet
and all thing which can be cleaned with water.
But DO NOT clean too many things at the same time because
the parts may collide with each other.
Before putting the parts into the cleaner, turn the
Ultra Sonic Clean on for about 5 minutes, this can energize
the water molecules and increase the cleaning power.