Citizen Nighthawk - Charging Time by Environment

Charging your watch
Chargingtimebyenvironment
Below are the approximate times required for charging when exposing the watch
dial to light continuously. Please use this table as a reference only.
Environment
Illuminance
(lx)
Chargingtime(approx.)
Toworkfor
oneday
Tostartworking
normallywhenthecell
isdischarged
Tobecomefully
chargedwhenthecellis
discharged
Outdoors(sunny)100,000
2 minutes 50minutes9 hours
Outdoors(cloudy)10,000
10minutes7 hours 60hours
20cm(8inches)
awayfroma
fluorescentlamp
(30W)
3,000
35 minutes 25 hours 180hours
Interiorlighting500
3.5 hours 160hours—
10