Seiko 7B24 Manual - Page 50

To Preserve the Quality of Your Watch ■ Power source ・Overcharge prevention function When the secondary battery is fully charged, the overcharge prevention function is automatically activated to avoid further charging. There is no need to worry about damage caused by overcharging no matter how much the secondary battery is charged in excess of the "time required for fully charging the watch". ※ Refer to "Standard charging time" on page 111 to check the time required for fully charging the watch. NOTICE ■（Notes on charging the watch） ・W h e n c h a r g in g t h e w a t c h , d o n o t p la c e t h e w a t c h in cl o s e proximity to an intense light source such as lighting equipment for photography, spotlights or incandescent lights, as the watch may be excessively heated resulting in damage to its internal parts. ・W hen charging the watch by exposure to direct sunlight, avoid places that easily reach high temperatures, such as a car dashboard. ・A lways keep the watch temperature under 60℃ . 130