Seiko 4R36 User Manual download pdf (Page 25)

〒

100-0005

東京都千代田区丸の内 3-1-1 国際ビル

〒

550-0013

大阪市西区新町 1-4-24 大阪四ﾂ橋新町ビルディング

本社〒

105-8467

東京都港区虎ノ門 2-8-１0

http://www.seiko-watch.co.jp/

お客様相談室

全国共通フリーダイヤル

0120-612-911

５

Speciﬁ cations

Cal. 4R35 4R36 4R37 4R38 4R39

1.Function

3 hands(Hour,

minute and

second hands),

date display

3 hands(Hour,

minute and

second hands),

day,date

display

3 hands(Hour,

minute and

second hands),

24-hour hand,

date display

3 hands(Hour,

minute and

second hands)

3 hands(Hour,

minute and

second hands),

24-hour hand

display

2.Vibrations per hour

21,600

3.Loss/gain

(daily rate)

+45 ∼−35seconds at normal temperature range

( Between 5℃ and 35℃ )

4.Duration Approx. 41hours

5.Driving system

Automatic winding type with manual winding mechanism

6.Jewels 23 jewels 24 jewels

Note:

The accuracy above is factory-adjusted.

Note:

Due to the characteristics of mechanical watches, any actual daily rate may not fall within the range of time

accuracy speciﬁ ed above dependent on the conditions of use, such as the length of time during which the watch

is worn on the wrist, temperature, arm movement, and whether the mainspring is wound up fully or not, etc.

Speciﬁ cations

５

Speciﬁ cations

● Mainspring wound condition and accuracy

In order to improve accuracy, it is important to regularly supply energy to

the balance that controls the speed of the gears. The driving force of the

mainspring that powers mechanical watches varies between when fully wound

and immediately before it is unwound. As the mainspring unwinds, the force

weakens.

Relatively steady accuracy can be obtained by wearing the watch on the

wrist frequently for the self-winding type and winding up the mainspring fully

everyday at a ﬁ xed time to move it regularly for the wind-up mechanical type.

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Seiko 4R36 User Manual Page 25

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