Here are introduced the main features and specifications of the F990 movement.
You can go to pages for further explanation of features from here.
Eco-Drive Satellite Wave-GPS
Receives location and time information sent from GPS satellites and adjusts the time and calendar on the watch automatically.
In addition, No periodical battery replacement is needed. This watch is fueled by light.
- Obtaining location information from satellite signals
- Executing time reception
- About automatic time reception
- Checking the power reserve
- Charging time by environment
- Battery duration after charging it fully
Indicates current power generation amount.
It can be used as a reference for choosing a good charging place.
Prevents the hands from unwanted movement due to impacts or magnetism and assists accurate time indication.
Indicates the time around the world by choosing one of 39 time zones.
±5-second average monthly accuracy
Keeps high accuracy without time signal reception.
Shows the home time and local time at the same time.
The two times can be interchanged easily.
Measures up to 24 hours by 1 second.
Sounds at the time set every day.
No need for monthly and leap-year date correction until February 28, 2100.