CITIZEN U700 - Manual (Page 33)

33
English
To charge the battery enough, expose the dial to brighter light for a long time.
Sunlight is more effective than fluorescent lamps.
• You can put the watch under direct sunlight for a long time if the temperature of
the watch is kept under 50˚C/122˚F.
<After the battery is fully charged—Overcharge prevention function>
When the battery becomes fully charged, the overcharging prevention function is
activated automatically to prevent excessive charging.