Citizen Eco-Drive BN2031-85E Instruction Manual page 7

Features
Automatic water depth
measurement
The water sensor detects
water contact and starts
water depth measurement
automatically.
Rapid ascent warning
alarm
The water pressure sensor
on the watch detects rapid
ascent and alerts the user
with an alarm tone.
• "Eco-Drive" is an original technology of Citizen.
6
0
5
Maximum water depth
indication
You can view the
maximum water depth
for the last dive even after
finishing measurement.
Eco-Drive
Never needs a new battery.
This watch is fueled by
light.