Page 1
SII Products
ANALOGUE QUART
Z
TECHNICAL GUIDE
&
PARTS CATALOGU
E
Cal.VD7Series
䋨
VD72/73/74/75/76/77/78/79A䋩
Revised on : 24. August. 2010
Page 2
[
SPECIFICATION
]
*Refer to the 2pages for other Cal. No. specifications.
φ23.70 mm
22.60 mm ： between 12 o'clock and 6 o'clock sides
22.60 mm ： between 3 o'clock and 9 o'clock sides
φ23.30 mm
22.10 mm ： between 12 o'clock and 6 o'clock sides
21.40 mm ： between 3 o'clock and 9 o'clock sides
3.45 mm
Cal. No.
hands
Electronic circuit reset switch
Second setting device
Date setting
SR626SW (Silver oxide battery)
Battery life is approximately 3 years
Use 10-second gate
* Set the winding stem with crown at the normal position
* All specifications are subject to change without notice.
Jewels 0 Jewel
Driving System Step motor
Antimagnetic ≧1600 A/m
Accuracy Less than ±20seconds : Monthly rate at normal temperature range
PARTS CATALOGUE / TECHNICAL GUIDE
24Hour hand (12H)
VD74A
Cal. No.
Item
Small Second hand （6H）
Outside diameter
Casing diameter
Total height
2Hands (hour , minute)
Movement
size
Additional mechanism
Date -Calendar
Hand （3H）
Day -Calendar
Hand （10H）
Day -Calendar
Hand （9H）
Date -Calendar
Hand （2H）
Version-0
4
VD7Series
1
Battery
Measuring gate
by quartz tester
VD77A VD78A VD79A
43
SII Products
Time
indication
Movement
VD76AVD72A VD73A VD74A VD75A
5
O
43465
OOOOOOO
OOOxxOOO
xOxxxxOx
xxxOxxOO
OxxxOO×x
xxxOxxOO
Oxxxxxxx
Page 3
VD72
VD79
VD78
2
SII Products
MOVEMENT VARIATION
Version-03
VD7A
VD74
VD75 VD76
VD73 VD77
24hours
day date
small second
day date
small second
day date
small second
date
small second small second
24hours
day date
date
small second
Page 4
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
Hour , Minute hands
Date calendar hand
Dial
0012 079 0012 079
Support for dial side parts screw
0604 170
Support for dial side parts
0737 169
Date corrector wheel
0836 171 0970 169
Intermediate wheel for date Date star
corrector holder
0012 079
0962 010 Intermediate wheel for date
corrector holder screw
0802 469
Date driving wheel
0804 170
Intermediate wheel for date corrector C
0273 169
Hour wheel 0737 891
Intermediate wheel for date corrector D
3
SII Products
12
Support for dial side parts screw
14
1
13
2
3
4
⇒
1
5
Version-04
VD7A
114
⇒
PARTS CATALOGUE
<<VD72A>
>
9
6
7
8
Intermediate wheel for
date corrector B
10
11
14
4
0100 470
Main plate
Page 5
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
Hour , Minute hands
Small second , Date calendar
Dial
0012 079 0012 079
Support for dial side parts screw
0604 170
Support for dial side parts
0737 169
0802 469 Date corrector wheel
Date driving wheel
0970 169
Date star
0125 369 0012 079
Small second wheel bridge Intermediate wheel for date
corrector holder screw
0240 169 0836 171
Small second wheel Intermediate wheel for date
corrector holder
0962 010 0804 170
Intermediate wheel for date corrector C
0737 891
Intermediate wheel for date corrector D
0273 169
Hour wheel
2
14
3
4
12
13
6
7
PARTS CATALOGUE
Version-04
VD7A
116
⇒
<<VD73A>
>
⇒
1
4
SII Products
16
1
8
9
10
11
Intermediate wheel for
date corrector B
Support for dial side parts screw
4
5
1516
0100 470
Main plate
Page 6
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
Hour , Minute hands
Dial Small second , Date-Day calendar
24Hour hands
0012 079
0012 079
Support for dial side parts screw
0604 169
Support for dial side parts
0491 014
Dial washer
1019 169
Day wheel 0157 169
Small hour hand wheel
0802 469
Day driving wheel 0737 169
Date corrector wheel
0802 469
Date driving wheel 0970 169
Date star
0125 369
0012 079
Intermediate wheel for date
0240 169 corrector holder screw
Small second wheel
0836 171
Intermediate wheel for date
corrector holder
0737 891 0962 010
0962 010
0273 169
Hour wheel
Intermediate wheel for
date corrector D
3
4
5
Support for dial side parts screw
4
2
10
18
11
15
6
7
8
9
16
17
Small second wheel bridge
19
20
13
14
PARTS CATALOGUE
<<VD74A>
>
⇒
1
12
Version-06
VD7A
120
⇒
5
SII Products
20
1
Intermediate wheel for date corrector C
Intermediate wheel for date corrector B
0100 469
Main plate
Page 7
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
Hour , Minute hands
Dial Small second , Date-Day calendar
0012 079
0012 079
Support for dial side parts screw
0604 169
Support for dial side parts
1019 169
Day wheel
0737 169
0802 469 Date corrector wheel
Day driving wheel
0970 169
0802 469 Date star
Date driving wheel
0012 079
0125 369 Intermediate wheel for date
corrector holder screw
0240 169 0836 171
Small second wheel Intermediate wheel for date
corrector holder
0962 010
Intermediate wheel for date corrector C
0737 891
0962 010
Intermediate wheel for date corrector B
0273 169
Hour wheel
Version-05
VD7A
PARTS CATALOGUE
1
⇒
18
6
SII Products
18
1
2
5
6
4
13
Small second wheel bridge
15
⇒
1
Intermediate wheel for
date corrector D
7
17
18
14
12
3
16
<<VD75A>
>
9
10
11
8
4
Support for dial side parts screw
0100 469
Main plate
Page 8
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
Hour , Minute hands
Small second , Date-Day calendar
Dial
0012 079
Support for dial side parts screw 0012 079
Support for dial side parts screw
0604 170
Support for dial side parts
1019 169
Day wheel
0802 469 0737 169
Day driving wheel Date corrector wheel
0802 469 0970 169
Date driving wheel Date star
0125 369
Small second wheel bridge 0012 079
Intermediate wheel for date
0240 169 corrector holder screw
Small second wheel
0836 171
Intermediate wheel for date
corrector holder
0804 170
0962 010
0737 891
0273 169
Hour wheel
Intermediate wheel for date corrector D
Version-05
VD7A
PARTS CATALOGUE
1
⇒
18
⇒
1
<<VD76A>
>
7
SII Products
18
1
2
16
17
14
15
Intermediate wheel for date corrector C
4
5
6
4
13
Intermediate wheel for
date corrector B
7
8
9
10
3
18
11
12
0100 470
Main plate
Page 9
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
Hour , Minute hands
Small second , 24Hour hands
Dial
0012 079
0012 079
Support for dial side parts screw
0604 173
Support for dial side parts
0802 469
Day driving wheel
0125 369
Small second wheel bridge
0491 014
0240 169 Dial washer
Small second wheel
0273 169 0157 169
Hour wheel Small hour hand wheel
Version-03
VD7A
PARTS CATALOGUE
1
⇒
11
8
SII Products
11
1
2
4
5
⇒
1
11
<<VD77A>
>
7
8
9
10
3
4
Support for dial side parts screw
6
0100 469
Main plate
Page 10
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
Hour , Minute hands
Small second
Dial
0012 079 0012 079
Support for dial side parts screw
0604 173
Support for dial side parts
0125 369
0240 169
Small second wheel
0273 169
Hour wheel
Small second wheel bridge
7
1
Version-03
VD7A
PARTS CATALOGUE
1
⇒
8
8
⇒
9
SII Products
8
<<VD78A>
>
4
6
5
Support for dial side parts screw
3
1
2
4
0100 469
Main plate
Page 11
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
Hour , Minute hands
Day-Date calendar hands
Dial
0012 079
0012 079
Support for dial side parts screw
0604 169
1019 169 Support for dial side parts
Day wheel
0802 469 0737 169
Day driving wheel Date corrector wheel
0802 469 0970 169
Date driving wheel Date star
0012 079
Intermediate wheel for date
corrector holder screw
0836 171
Intermediate wheel for date
0737 891 corrector holder
Intermediate wheel for
date corrector D 0962 010
0962 010
0273 169
Hour wheel
Version-05
VD7A
PARTS CATALOGUE
1
⇒
16
16
1
2
3
1
⇒
6
5
10
SII Products
10
16
Intermediate wheel for date corrector B
11
15
Intermediate wheel for date corrector C
<<VD79A>
>
12
14
7
4
Support for dial side parts screw
13
8
9
4
0100 469
Main plate
Page 12
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
*Refer to the 12pages for the each parts code
Battery 0012 168
Battery connection (+) screw
4004 280
Circuit block (with coil block)
*Battery connection(+)
0281 452 4455 169
Setting wheel Reset lever
0261 451 0241 471
4216 169
Insulator
0231 457
4146 170
0221 069 Step rotor
4270 469
4239 169
Stator
0391 169
0125 469
Train wheel bridge
0701 452
Fifth wheel and pinion *Setting lever
0384 452
Yoke
0282 452
Clutch wheel
0351 177
0804 169
Intermediate wheel for date corrector A
Winding stem
21
20
Fourth wheel and pinion
Third wheel and pinion
Center wheel and pinion
16
Train wheel setting lever
15
17
14
4
5
6
Battery connection(-)
Version-05
VD7A
PARTS CATALOGUE
1
⇒
22
11
SII Products
10
19
22
18
11
12
13
Minute wheel and pinion
122
1
89
3
2
7
⇒
*1
Main plate
*1
Page 13
Remarks: Different parts for each CAL.
Parts name
* All
p
arts code are subject to change without notice.
4271 473
4271 474
0383 154
4271 470
4271 472
4271 475
0802 469
0970 169
0737 891
0804 170
0962 010
―
Intermediate wheel for date
corrector holder screw
OOO
――
O
O
―
0157 169
0012 079
――――
OO
O
―
Support for dial side
parts
Dial washer O
0604 169
0604 170
0604 173
0491 014
――
O
―――
―――
OO
―
O
――
O
―
OO
―――
O
O
Small second wheel
bridge
OO0125 369
―
O
――
O
――
Day wheel O O
―
O
Small hour hand wheel
O
―
―
OO
Day driving wheel OOOO
―
O0802 469
Date corrector wheel
―
O
―
1019 169
Intermediate wheel for
date corrector holder
OO
O
O
Date driving wheel
Date star
0804 169 O
O
OO
Intermediate wheel for
date corrector A
OO
O
―
―
0962 010
―
O
OO
O0836 171
―
O
O
――
OO0737 169
Intermediate wheel for
date corrector B
Intermediate wheel for
date corrector D
O
―
O
O―
――
O
O
O
O
0100 469
0100 470
0240 169
0383 891
O
OO
――
O
―
――
OO
―
OO
―
―――
OO
O
O
―
OO
―
――
―
―
――
―
―
―
O
O
―
―
――
O
―――
―
O
―
―
――
―
O
O
―
O
OO
O
―
―
――
――
OO
―
O
―
―
O
―
O
――
O
―
SII Products
―――
O
―
―
―
―
O
VD73A
Parts code
O
Intermediate wheel for
date corrector C
O
Main Plate
Setting lever
Small second wheel
―
―
O
―
Version-04
VD7A
PARTS CATALOGUE
VD74A
VD75A VD76A―VD77A
VD72A
―
O
――
OO
―
――
―
12
VD78A VD79A
―――
―
――
O
――
――
――
――
―
O
―
O
―
O
O
O
――
Battery connection(+)
4271 490 O
―
2471 492
―
O
O
―
4271 471
O
O
―
O
OO
―
O
Page 14
・The explanation here is only for the particular point of Cal.VD7A
1.REMARKS ON DISASSEMBLING
A
ND REASSEMBLING
(1)HAND
・How to install hands
Place the movement directly on a flat metal plate or
the like to install the hands.
Note: How to procedure hands
①Dial settin
g
.
②Install the date calendar and small second hands at the
12 o'clock position.
③Pull out the crown to the second click
p
osition and rotation it clockwise the change date.
④Install the da
y
calendar and 24hour and hour and minute hands at the 12 o'clock position.
・Cal.VD77A install the 24hour hand.
Pull out the crown to the second click position and rotation it clockwise to install 24hour hand.
※Cal.VD77A and VD78A not da
y
-date calendar hands
(2)Winding stem
・How to remove
While pushing the indented portion of the arrow pull out
the winding stem.
(3)Battery
・How to install
Insert the battery aslant in the direction shown by the arrow.
Check the battery connection (+) securely touches the
side face of the battery.
（４）Insulator
Notes：
To insulate between the battery connection (+) Insulator
and the battery connection (-), the insulator
should put at the three pin securely as bellow. Pin
13
SII Products
Version-02
VD7A
TECHNICAL GUIDE
Metal plate
Push
Page 15
（５）Setting position (Notes at the time of disassembling and a reassemblin
g)
・How to Date & Day driving wheels setting position
Note:
The indicator finger of a Date & Day driving wheels are setting position " ○"mark of Main plate
≪Cal.VD74A・VD75A・VD79A setting position≫
VD7A
TECHNICAL GUIDE
≪Cal.VD76A setting position≫
Version-01
14
SII Products
setting position
setting position
Date driving
wheel
Day driving
wheel
Enlargement Enlargement
Page 16
*4 *4 *6
*2 *1 *2
*2 *7 *7 *7
*8 *8 *8
*5
*3
*9 *9 *3 *9
*1 *4
*1
*1 *2 *2 *1 *2
*7 *7 *7
*8 *5 *8 *8
*5
*3 *9 *9 *5 *9
*3 *4 *4
*4 *1
*1: Hour hand *4: Date calendar hand *7: Crown at normal position *9: Second click
*2: Minute hand *5: Day calendar hand *8: First click ・Time setting
*3: Small second hand *6: 24Hour hand ・Date setting (Quick change function)
1.Pull out the crown to the 2.Push the crown back 3.Pull out the crown to 4.Push the crown back
second click when the in to the normal position the first clik. in to the normal position.
small second hand is at in signal. turn the crown counterthe 12 O'clock position. Pull out the crown to clockwise to set the data.
the first click . (Quick change function)
Turn the crown rotation to
set the day of the week.
Turn the crown to set the
hour and minute hands
to the time.
(
Check that AM / PM is
set correctly)
*Do not set the date between 10:00 PM and 2:00 AM
Otherwise, the da
y
may not change properly. If it is necessary to set the date during that time period,
First chan
g
e the time to any time outside it, set the date and then reset the correct time.
Version-03
VD7A
OPERATION
DISPLAY AND CROWN OPERATION
15
SII Products
TIME SETTING
≪VD72A≫≪VD73A≫
≪VD75A≫≪VD76A≫
≪VD74A≫
≪VD79A≫
Note:
Page 17
Note:
*1: Hour hand
*4 *2
*2:
Minute hand
*2 *5
*3:
Small second hand
*1 *1
*4:
24Hour hand
*5:
Crown at normal position
*6:
First click
*3 *5 *6 *3 *6
・Time settin
g
Crown
1.pull out the crown to the 2.Turn the crown to set 3.Push the crown back in
second click when the the hour and minute to the normal position in
small second hand is at hands to the time. accordance with a time
the 12 O'clock position. (Check that AM / PM is signal.
set correctly)
Notes in time setting of Cal.VD7 series
When time setting is done with counterclokwise, date hand might be reversed.
The function, there is no problem.
Please set the date by using the quick change function when the date shown was incorrect.
OPERATION
16
SII Products
DISPLAY AND CROWN
TIME SETTING
≪ＶＤ７７Ａ≫ ≪ＶＤ７８Ａ≫
Version-02
VD7A
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