Seiko 5d88 User Manual

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DISPLAY AND BUTTON OPERATION
First click position: Date 
and day setting
Second click position: 
Time setting  
Hour hand
Direct drive indicator  
hand (for indicating 
amount of power 
reserved, power 
generation status and 
amount of generated 
power)
Date hand 
Day hand
Minute hand
Normal position: Electric power 
generation by manual winding
Second hand
Button (moon phase 
setting / resetting the 
built-in IC)
FEATURES
SEIKO KINETIC Cal. 5D88 is an analogue quartz watch equipped with the Kinetic 
technology developed by SEIKO. It generates the electric energy to power the 
watch, utilizing the movement of your body, and stores it in the rechargeable 
battery, which requires no periodical replacement unlike conventional button-
type batteries. The watch is equipped with a direct drive indicator that constantly 
displays how long the watch will keep operating.  The direct drive indicator also 
dynamically displays the electric power generation status while charging the 
watch.  In addition, the watch is equipped with a -hour hand, date hand, day 
hand, and moon phase display.
CAUTION
 The movement of your arm while the watch is worn generates electrical
energy to power the watch. Even if the watch is worn on your arm, it will
not be charged while your arm is not in motion.
 It is recommended that the watch be worn on your wrist daily for at least
10 hours.
 If you do not wear the watch for more than the continuous operating time
that it displays, charge the watch as necessary so as not to stop operation
of the watch until the next time you wear it. Refer to  “How to charge and
start the watch” for further details.
CROWN
24-hour hand
Moon phase display