Seiko 5J21 User Manual download pdf (Page 6)

English

TIME RELAY FUNCTION

● While the power save function is working, the built-in IC continues to compute the time

though the hands have stopped. As a certain amount of electricity is generated by swinging

the watch, the time relay function is activated, and the hands are adjusted automatically to

the time retained inside the watch.

● If the watch is charged fully as the power save function is activated, the time relay function

remains operable for approximately four years.

How to activate the time relay function

● Swing the watch from side to side for 2 to 3 seconds.

Caution:

Do not pull out the crown to the second click before activating the time relay

function. Otherwise, the time data retained inside the watch will be erased,

thus disabling the time relay function.

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Seiko 5J21 User Manual Page 6