Cal. No. W770 Riiiver
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Eco-Drive watch handling precautions
CAUTION: No excessive heat while charging
- Do not charge the watch at a high temperature (about 60°C (140°F) or higher) as doing so may cause the movement to malfunction.
Examples:
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Charging the watch too close to a light source which generates a large amount of heat such as an incandescent lamp or halogen lamp.
When charging under an incandescent lamp, be sure to leave 50 cm (20 inches) or more between the lamp and the watch to avoid exposing the watch to excessive heat.
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Charging the watch in a location where the temperature may become extremely high such as on the dashboard of a vehicle.