Citizen Promaster Sky Super Skyhawk JY0080-62E Instruction Manual page 45

Cautions
About charging
• Excessively high temperature when charging the watch may cause discoloration and deformation
of the components, and result in malfunction of the movement.
• Do not charge the watch at a high temperature (about 50˚C/122˚F or higher).
Example:
- charging the watch too close to light such as an
incandescent lamp or halogen lamp (Halogen lights are
not recommended for charging due to their high heat
output.)
- charging the watch in locations where the temperature
may become extremely high—such as on the dashboard
of a vehicle
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