Power.source.(Kinetic.e.s.u.) - Seiko SRG019P2 Instructions Manual

POWER SOURCE (KINETIC E.S.U.)
This watch requires no periodic battery replacement as it is powered by the
exclusive secondary battery, which is completely different from conventional
batteries for watches.
This exclusive secondary battery is an environmentally friendly, clean energy
storage device.
CAUTION
Never install a silver oxide battery for conventional watches in place of the
KINETIC E.S.U. , which can generate heat that can cause bursting or ignition.
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