Seiko 4J27 - Manual (Page 8)

English
8
WARNING
CAUTION
● Do not remove the battery from the watch.
● If it is necessary to take out the battery, keep it out of the reach of children.
If a child swallows it, consult a doctor immediately.
● Never short-circuit, tamper with or heat the battery, and never expose it to
fire. The battery may burst, become very hot or catch fire.
● The battery is not rechargeable. Never attempt to recharge it, as this may
cause battery leakage or damage to the battery.