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BATTERY REPLACEMENT

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1
Case opening
Opening the watch case back.
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2
Battery check
Battery check using a specific device.
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3
Supply power to movement and test
Supply power directly to movement using the same device to check it is operating correctly.
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4
Inspect condition of the movement
While it is still being powered by the equipment, check and, if necessary, adjust precision.
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5
Battery replacement
Change the battery for a new one.
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6
Seal replacement
Exchange the case back seal(s) to ensure the watch's water resistance.
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7
Case closure
Closure of the case back.
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8
Water resistance test
Test the water resistance of the case.
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