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Table of contents
Part names and their main functions .............................................................. 4
How to use the screw down crown ...................................................................... 5
When leaving the watch unused for an extended period of time .................... 5
Charging the battery .......................................................................................... 6
Charging the battery .............................................................................................. 6
When the battery becomes short of power
—Insufficient charge warning function ........................................................... 7
Charging time ......................................................................................................... 8
After the battery is fully charged
—Overcharge prevention function ................................................................... 9
Eco-Drive ................................................................................................................ 9
Setting the time ................................................................................................. 10
Checking the date, month, and year ............................................................. 12
Perpetual calendar ................................................................................................ 13
Setting the year, month, and date ................................................................. 14
Precautions ......................................................................................................... 22