For Maintaining The Water-Resistance - Citizen Eco-Drive b740 Instruction Manual

For maintaining the water-resistance

For maintaining the water-resistance, ask the nearest Citizen Service Center
directly or through the store where you purchased the watch to inspect the
watch and to replace the packing, glass, crown, etc. if needed once a year or
every two years.
Example of use in the wet
Operating the crown
Swimming, Saturation
Skin diving,
Scuba diving
or button when the
washing, diving using
marine sports
with air tank
watch is wet
kitchen work helium gas
OK OK
OK NO NO
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