Seiko 7T84 ユーザーズマニュアル

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1. Frequency.of.crystal.oscillator................. . 32,768.hz.(hz.=.hertz...Cycles.per.second)

2.. Loss/gain.(Monthly.rate)......................... . Less. than. 15. seconds. when. used. on. the. wrist.

within.normal.temperature.range.(5.ºC.~35.ºC).

3.. Operational.temperature.range............... . Between.–10.ºC.and.+60.ºC

4.. Driving.system......................................... . Step.motor.4.pieces

5. Display.system

.

Time..................................................... . hour,.minute.and.small.second.hands.in.1-second.

increments

.

Yacht.timer/Timer................................ . Center.hand:.1-minute.and.1-second.increments.

(when.the.remaining.time.is.less.than.1.minute).

exclusively.for.timer.

.

.

. Small.watch:.1-second.increments

.

Stopwatch............................................ . Center.hand:.1/5-second.increments

.

.

. Small.watch.(hour.and.minute.hands):.1-minute.

increments

.

Alarm................................................... . Small.watch.:.Regular.alarm.time

.

Local.time............................................ . Small.watch.:.Local.time.in.1-minute.increments

6.. Battery...................................................... . SEIKO.SR927W,.1.piece

7. Battery.life................................................ . Approximately.3.years

. .

. If.the.yacht.timer.is.used.less.than.6.hours.per.

week,.the.timer.is.used.less.than.15.minutes.per.

day,.the.stopwatch.is.used.less.than.60.minutes.

per.day.and.the.alarm.sounds.less.than.40.sec-

onds.per.day.

8.. IC.(Integrated.Circuit).............................. . C-MOS-IC:.1.piece

7T84_E.indd   40

07.5.25   11:42:45 AM