Citizen Eco-Drive BN4021-02E - Features; Altitude measurement; Compass function; Eco-Drive

8
Features
Eco-Drive
Never needs a new battery.
This watch is fueled by light.
Compass function
Indicates compass direction
by measuring geomagnetism
with the built-in magnetism
sensor
Altitude measurement
Indicates altitude by
measuring atmospheric
pressure with a sensor
“Eco-Drive” is an original technology of Citizen.
CONTENTS
Parts identification (when
measuring altitude) ............
10
Parts identification (when
using the compass) .............
11
Charging your watch .............12
Checking the current power
reserve ...............................
16
Measuring altitude................18
Using the compass ................24
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