Seiko KINETIC AUTO RELAY 5J21 User Manual

You are now the proud owner of a SEIKO KINETIC
®
AUTO RELAY
TM
Cal. 5J21. For best results, please read the instructions in this booklet
carefully before using your SEIKO KINETIC
®
. Please keep this manual
handy for ready reference.
Grazie per aver acquistato questo orologio SEIKO KINETIC
®
AUTO
RELAY
TM
Cal. 5J21. Per ottenerne i migliori risultati leggere attentamente
le istruzioni di questo libretto prima di passare all’uso dell‘orologio
stesso. Tenere poi il manuale a portata di mano, per ogni eventuale
futura, ulteriore consultazione.

Seiko KINETIC AUTO RELAY 5J21 Specifications

Operational Characteristics

frequency of crystal oscillator	32, 768 Hz
loss/gain	Less than 15 seconds at normal temperature range (5° C ~ 35° C) (41° F ~ 95° F)
operational temperature range	–10° C ~ +60° C (14° F ~ 140° F)

Display and System

display system	Hour, minute and second hands
driving system	Step motor, 2 pieces
IC (Integrated Circuit)	C-MOS-IC, 2 pieces

Power and Energy

duration of charge	Approximately 4 years (Full charge)
generating system	Miniature AC generator
kinetic electricity storage unit	Button type, 1 piece

Summary

FEATURES

Power save function

Automatic stopping of watch hands to conserve stored electric energy after 3 days of inactivity.

Time relay function

Allows watch hands to quickly indicate current time using stored energy after being awakened from power save mode.

POWER SAVE FUNCTION

Manual power save function

Allows manual activation of the power save mode to conserve energy for long periods of disuse.

TIME RELAY FUNCTION

How to activate the time relay function

Details the procedure for awakening the watch and synchronizing hands using the time relay function.

Remarks on using the time relay function

Provides notes on swinging the watch, sounds during operation, and initial time setting after purchase.

HOW TO SET THE TIME

ENERGY DEPLETION FOREWARNING FUNCTION

How to charge the watch

Explains manual charging steps when the second hand moves at two-second intervals, indicating low power.

POWER RESERVE IN YOUR SEIKO KINETIC WATCH

Power reserve guideline for the KINETIC E.S.U.

Guidance on estimating power reserve based on wearing habits and using the manual power save function.

REMARKS ON THE KINETIC E.S.U.

Precaution

Warns against using the crown to stop hands for saving energy, advising manual power save instead.

ROTATING BEZEL

SPECIFICATIONS