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Explains the 2-second operation when light is applied to a stopped watch.
Describes the irregular second hand movement to indicate incorrect time.
Details the 2-second second hand movement when the battery is low.
Explains how the IC stops charging when the battery is fully charged.
Precautions for handling the solar cell to avoid damage and ensure continuity.
Guidelines for replacing secondary batteries, emphasizing correct types.
Warnings about installing batteries with capacitors to prevent explosion.
Instructions for removing and installing the setting stem for different case structures.
Measures the voltage of the secondary battery or capacitor.
Confirms the output signal from the electronic circuit.
Inspects connection parts for issues like looseness, dirt, or damage.
Measures the resistance of the coil.
Inspects the train wheel mechanism.
Inspects the mechanism on the dial side.
Checks the solar cell for damage, stains, or electrode issues.
Measures the current consumption of the module.
Measures the timekeeping accuracy of the watch.
Confirms the watch's operating condition and environment.
Inspects the watch's exterior and overall functions.
Explains the 2-second operation when light is applied to a stopped watch.
Describes the irregular second hand movement to indicate incorrect time.
Details the 2-second second hand movement when the battery is low.
Explains how the IC stops charging when the battery is fully charged.
Precautions for handling the solar cell to avoid damage and ensure continuity.
Guidelines for replacing secondary batteries, emphasizing correct types.
Warnings about installing batteries with capacitors to prevent explosion.
Instructions for removing and installing the setting stem for different case structures.
Measures the voltage of the secondary battery or capacitor.
Confirms the output signal from the electronic circuit.
Inspects connection parts for issues like looseness, dirt, or damage.
Measures the resistance of the coil.
Inspects the train wheel mechanism.
Inspects the mechanism on the dial side.
Checks the solar cell for damage, stains, or electrode issues.
Measures the current consumption of the module.
Measures the timekeeping accuracy of the watch.
Confirms the watch's operating condition and environment.
Inspects the watch's exterior and overall functions.