Seiko V072 Instructions Manual page 17

WARNING
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.
CAUTION
Never short-circuit, heat or otherwise tamper with 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.
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