Hamilton基本說明書

Recommendations
Like all micro-mechanical precision instruments, your Hamilton watch should be checked at least once every two
years. Entrust your watch only to an authorized Hamilton agent. To keep your watch water-resistant, make sure
that its sealing features are tested at every check-up.
The water-resistance of your watch is indicated on the case back.
Ex. ! ATM = !' meters = ('' feet / ) ATM = )' meters = ($) feet / (' ATM = ('' meters = !!' feet / "' ATM = "''
meters = $$' feet (page #%)
Five basic rules for maintaining the water-resistance of your watch
!. Have your watch checked regularly.
". Do not move the crown when you are in water.
$. Rinse o* your watch with fresh water after any immersion in seawater.
%. Dry your watch whenever it gets wet.
&. Have your watch checked for water-resistance by an authorized Hamilton agent each time the case is
opened.