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■ CHARACTERISTICS
"Sonnerie" mechanism
○ This watch features the "sonnerie" mechanism, which is powered by its own separate
mainspring. The mechanism has an hour striking function that automatically announces
the current time by chiming the preset number of times on the hour.
○ The mechanism has been constructed based on a typical Japanese hanging bell sound
that produces a lingering sound, which creates a feeling of a natural flow of time and space.
○ The hour striking function can be set to one of three different modes; the "SONNERIE"
mode which strikes the number of hours every hour on the hour, the "ORIGINAL" mode
which strikes three times every three hours at 12:00, 3:00, 6:00 and 9:00, and the
"SILENCE" mode which mutes the chime sound when it is inappropriate.
○ The hour repeating function which announces the current hour by chiming the number of
hours can be activated at any time you wish to hear the delightful bell sound.
b CAUTION
The automatic chiming of the hour striking function is powered by mechanical movement.
It may start chiming slightly ahead or behind the correct time.
Characteristics of spring drive
○ This watch features" Spring drive", the unique mechanism made available only by SEIKO
technology.
○ The Spring Drive watch ensures quartz accuracy while using the mainspring as its sole
power source.
○ The glide-motion seconds hand moves in a perfectly smooth movement.
b CAUTION
○ Spring Drive works by the power provided by the mainspring. Remember to check the
power reserve indicator and keep the mainspring of the watch sufficiently wound while
using the watch.
"Power reserve indicator"→ P. 9
○ Under a low-temperature condition (below 0°C), the watch may stop when the power
reserve indicator shows less than one-fourth of the power reserve.
In such a case, turn the crown to wind the mainspring.
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CHARACTERISTICS
■ NAMES OF THE PARTS
7R06
1
2
3
4
5
How to wind the mainspring→ P. 8
How to use→ P. 12
1 Hour hand
6
2 Power reserve indicator for the
watch mechanism
7
→ P. 10
8
3 Seconds hand
4 Button
9
5 Hour striking mode indicator
→ P. 15
6 Mainspring for the hour
striking function
7 Minute hand
8 Power reserve indicator for the
hour striking function
→ P. 11
9 Crown
NAMES OF THE PARTS
7
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