Seiko SSE089, Instructions Manual

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< To set the time of this watch in a region where the official time zone has changed >

1.  Select the time zone appropriate for the current time in the target region by manual time zone 

setting.

→

   For details, please refer to “7. Manual time zone selection” 

P. 16

2.  Next, adjust the time by manual time adjustment.
 

→

   For details, please refer to “9. How to manually adjust the time” 

P. 20

3.  When using the watch within the same time zone, the correct time will be displayed after 

automatic (GPS) or manual time adjustments.

4.  When moving from a region where the official time zone has changed to a different time 

zone, then back to the region where the official time zone has changed, carry out the same 

operations from 1. - 3. as indicated above to display the correct time in the region where the 

official time zone has changed.

SPECIFICATIONS

1.  Basic function ...  

Main-dial; three hands (hour/minute/second hands), date, indicator hand, world time function 

(40 Time  zones) 

2. Frequency of crystal oscillator ... 32,768 Hz (Hz = Hertz ... Cycles per second)
3. Loss/gain (monthly rate) ...  

Loss / gain ±15 seconds on a monthly rate (When the watch is used without automatic time 

setting by receiving GPS signal and when it is worn on the wrist within a normal temperature 

range between 5°C and 35°C (41°F and 95°F)).

4. Operational temperature range ... Between −10°C and +60°C (14°F and 140°F)
5. Driving system ... Step motor (hour/minute/second hands of main-dial), date, indicator hand.
6. Power source ... Secondary battery, 1 piece
7.  Duration of operation ...  

Approximately 6 months (Fully charged, and the Power Save is not activated).



 If the Power Save is activated after it is fully charged, the watch continues to run for approximately 

2 years at maximum.

8. GPS signal reception function ...  

Time zone adjustment, manual time adjustment, automatic time adjustment

9. IC (Integrated Circuit) ... Oscillator, frequency divider and driving circuit C-MOS-IC, 4 pieces



 The specifications, as noted above, are subject to change without prior notice for product improvement 

purposes.