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English
year. The amount of loss/gain fluctuates depending on the condition of use
as shown in the figure below. Annual rate specifies the range of loss/gain
that is never exceeded at any given time of a year.
+ 5
0
+ 10
– 5
– 10
(sec.)
Gain
Loss
(Ex. 2)
(Ex. 3)
(Ex. 1)
A
1
A
2
B
2
B
1
(month)
12
11
10
9
8
7
6
5
4
3
2
1
* None of A
1
, A
2
, B
1
and B
2
will exceed 10 seconds.
Examples of monthly fluctuations of loss/gain:
In case of a watch with the yearly loss/gain of 10 seconds
NOTE:
To maintain the accuracy of the watch, it is recommended that it be kept in a
temperature range between 5
°
C and 35
°
C when it is not worn on the wrist.
