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Calibre 640
Automatic Movement Operation Manual
Automatic watches can be used only by those who are reasonably active as the automatic
winding relies on a regular movement of the wrist. The watch must be given an initial manual
wind of 8 to 10 turns and provided that it is worn on the wrist for a minimum of 8 hours each
day it will continue to function indefinitely and may be taken off the wrist for a maximum period
of 30 hours. If this period is exceeded the movement will stop and another manual wind will be
necessary. It must be remembered that when worn in bed the movement of the wrist is
insufficient to operate the automatic winding.
Time Stand Accuracy
1)
21,600 beats per hours
2)
Accuracy between -30 to +30 seconds per day worn under normal conditions.
Butterfly Strap Adjusting Instruction
Firstly, open the butterfly buckle and then pull out the pin. Adjust the strap to the required
length, and then push back the pin into the correct hole. Finally, close the butterfly buckle until
it clicks into place.
Page 1
World Time Zone Table
OFF SET
TIME ZONE
OFF SET
HOURS
STANDARD HOURS
HOURS
0
London
0
+1
Paris/ Berlin/ Madrid
-1
+2
Istanbul
-2
+3
Moscow
-3
+4
Abu Dhabi
-4
+5
Islamabad
-5
+6
Dhaka
-6
+7
Bangkok
-7
+8
Beijing / HK
-8
+9
Tokyo Seoul
-9
+10
Sydney
-10
+11
Guam
-11
+12
New Zealand
-12
Page 4
Water Resistance Table
Level of
Suitable for
Water
Everyday
Resistance
use
None
Yes
3 ATM
Yes
(30m/
100ft
5 ATM
Yes
(50m/
150ft)
10 ATM
Yes
(100m/
300 ft)
Water resistance is not permanent. In the course of time, the gaskets of the case and
crown may become worn and reduce the water resistance of your watch. We recommend
the periodic checking
Normal Crown – always make sure it is pushed fully into case
Screw down Crown – tighten screw down crown completely to screw lock position.
To maintain water –resistance crystal, crown and case must remain intact
Exposure to Salt Water
If your watch is designed for sports or working in the water and it becomes exposed to salt
water or significant amounts of perspiration, it should be rinsed in fresh water and dried
thoroughly with a soft dry cloth.
Important
Buttons must not be operated while in contact with water
TIME ZONE
STANDARD HOURS
London
Cape Verde
Mid-Atlantic
Greenland
Santiago
USA (Eastern)
USA (Central)
USA (Mountain)
USA (Pacific)
Alaska
Hawaii
Samoa
Kwajalein
Can
Suitable for
Suitable for
Suitable
Suitable for
withstand
Swimming
Pool Side
for
high board
accidental
diving
snorkelling
diving or sub-
splashing
or water
aqua diving
sports
No
No
No
No
No
Yes
No
No
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
No
Page 2
Calibre 640
IN7300
Page 5
Functions
-
Hours
-
Minutes
-
Seconds
-
Day of the Week
-
Date
-
Month
Dual Time
-
-
Water Resistance – Check the back of the watch and refer to the Table.
Instructions For Setting Dual Time and Home Time
1)
Pull the crown out to First Position and turn the crown anti-clockwise to set the
dual time on top dial. For example, Local Time is 12 o'clock duel time can be set
for different country's Local Time i.e. Paris 1o'clock. Refer to the World Time
Zone table on Page 4.
2)
Once the correct duel time is set, turn the crown clockwise to set the correct
Home Time.
3)
Finally push the crown back to Normal Position.
Instructions For setting Day, Date and Month
1)
To achieve an accurate day of the week setting, by using a pointed device press
button C until a day prior to the day you require is achieved i.e. if today is
Wednesday then set it onto Tuesday
2)
To achieve an accurate date setting, by using a pointed device press button A
until a date prior to the date you require is achieved. i.e if today is the 16
th
set it onto the 15
.
3)
By using a pointed device press button B to set the correct Month
4)
Pull the crown out to first position and turn the crown anti-clockwise until the
correct day and date is shown. The day and date will now be correct, now set
the home time but make sure the time is set onto AM or PM. Finally push the
crown back to Normal Position.
Page 3
th
then
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