This is the user manual for the SEIKO WATCH model 8B63, a solar-powered radio-controlled watch with world time and dual-time zone display functions.
The document provides operating instructions for the SEIKO WATCH model 8B63. It covers essential features such as automatic radio wave reception from Japan, China, USA, Germany, and UK; solar charging capabilities that allow operation for approximately nine months on a full charge; and dual-time zone functionality allowing simultaneous display of local time and home time.
The manual details how to operate the watch's buttons and crown, adjust settings for different time zones, manually correct time and date if radio reception fails, and maintain the device. It also includes safety warnings regarding water resistance limits (not suitable for diving or high-pressure showers) and care instructions for the metal bracelet. This manual is written in Chinese.
The watch can receive standard time signals from Japan, China, the USA, Germany, and the UK.
When fully charged, the watch can operate for approximately nine months.
No, this watch should not be used for oxygen or saturation diving as it has not undergone the necessary rigorous checks.