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Operation Guide 5102

E-23

Specifi cations

Accuracy at normal temperature:

  

±

15 seconds a month

Timekeeping:

  Hour, minutes, seconds, 24-hour

Other:

  Moon Phase; Power Saving; Low battery alert

Power Supply:

  Solar panel and one rechargeable battery

Approximate battery operating time: 9 months (no exposure to light after a full 
charge)

E-22

Charging

 

The watch does not resume operation after I expose it to light.

This can happen after the power level drops to Level 3 (page E-9). Continue exposing 
the watch to light until the 

x

 

Second Hand

 starts moving normally (at one-second 

intervals).

 

The 

x

 

Second Hand

 starts to move at one-second intervals, but then suddenly 

returns to moving at two-second intervals.

The watch probably is not suffi ciently charged yet. Continue keeping it exposed to 
light.

E-21

Troubleshooting

Hand Movement and Position

 

The 

x

 

Second Hand

 is moving at two second intervals.

 

All regular timekeeping hands are stopped at 12 o’clock and none of the 
buttons work.

Power may be low. Expose the watch to light until the 

x

 

Second Hand

 starts moving 

normally, at one-second intervals (page E-8).

 

The hands of the watch suddenly start moving at high speed, even when I do 
not perform any operation.

The hand movement does not indicate malfunction, and should stop shortly.
The watch is recovering from a sleep state (page E-11).

 

The hands are off.

This could indicate that the watch has been exposed to magnetism or strong impact, 
which has caused problems with proper hand alignment. Adjust the watch’s hand 
home position alignment (page E-16).

E-20

 Press 

4. 

A

. This will cause the 

n

 

Moon Phase Indicator

 to 

move to its home position (Full Moon).

 If the 

 

x

n

 

Moon Phase Indicator

 is at the correct home 

position, advance to step 6.

 Use 

5. 

C

 (+) and 

B

 (–) to adjust the 

n

 

Moon Phase 

Indicator

 so it is at its home position (Full Moon).

 Holding down either button for about two seconds and 

 

x

then releasing it starts high-speed hand movement in 
the applicable direction.
 To stop high-speed hand movement, press any button.

 

x

 After adjusting the home position, go to step 6.

 

x

 Press 

6. 

A

 to exit home position correction and return to 

regular timekeeping.

6

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