Page 1
SII Products
ANALOGUE QUART
Z
TECHNICAL GUIDE
&
PARTS CATALOGU
E
Cal.VD51B
Revised on : 12. Nov. 2010
Page 2
[SPECIFICATION]
φ29.50 mm
26.00 mm ： between 3 o'clock and 9 o'clock sides
4.57mm
3 hands (hour , minute , second )
Chronograph (minute , 1/1 second )
Calendar
Two pole stepping motor
Step motor 3 pieces
Electronic circuit reset switch
Second setting device
Date setting
≧ 1600 A/m
Less than ±20seconds : Monthly rate at normal temperature range
SR920SW (SEIZAIKEN) Silver oxide battery
Battery life is approximately 2 years
Use 10-second gate
* Set the winding stem with crown at the normal position
Jewels 0 Jewel
Antimagnetic
Accuracy
Additional mechanism
Outside diameter
Casing diameter
Total height
Driving System
Movement
size
Time
indication
1
Battery
Measuring gate by
quartz tester
SII Products
φ28.80 mm
Version-03
PARTS CATALOGUE / TECHNICAL GUIDE
Cal.VD51B
Cal. No.
Item
Cal.VD51B
Movement
Page 3
Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.
Moebius A Normal quantity
Moebius Ｆ
0012 079
Auxiliary train wheel bridge screw
Hour, minute
second hands 0808 368
Date dial guard
Chronograph minute
second hands
*Date dial
Dial
0126 368
Auxiliary train wheel bridge
0806 368
Date corrector wheel
0810 368
0817 368 Date jumper
Intermediate date driving wheel
0888 009 0802 368
Chronograph second wheel Date driving wheel
0885 002 0836 369
Intermediate chronograph second wheel
0737 891
0885 002
Intermediate chronograph second wheel 0962 891
0888 009
0271 407 Chronograph second wheel
Hour wheel
2
SII Products
1
2
3
12
5
6
9
Intermediate wheel for date corrector holder
Version-03
al.VD51B
PARTS CATALOGUE
52
⇒
1
52 1
19
14
8
⇒
4
16
17
7
18
11
15
Intermediate wheel for date corrector (C)
Intermediate wheel for date corrector (B)
13
10
Page 4
Battery
0351 177
Winding stem
0012 079
Switch spring screw
0012 079
Switch spring screw
4245 011
Switch spring
0012 079
Train wheel bridge (B) screw
4004 269
0125 331 Circuit block
Train wheel bridge (B)
4240 358
0701 014 Battery connection(-)
Fifth wheel and pinion(B)
4146 177
Step rotor (B)
4002 923 0012 079
Coil block (B) Train wheel bridge (B) screw
4239 357
Rotor stator (B) 0125 331
Train wheel bridge (B)
4146 177
Step rotor (B)
4002 923
Coil block (B)
4249 357
Rotor stator (B)
0701 014
Fifth wheel and pinion (B)
* All parts code are subject to change without notice.
23
24
25
26
27
28
29
30
31
32
33
3
SII Products
34
35
36
37
Version-04
al.VD51B
PARTS CATALOGUE
22
20
21
22
Page 5
0125 248
Train wheel bridge (A)
0241 178
0701 904 Fourth wheel and pinion
Fifth wheel and pinion (A)
0231 904
Third wheel and pinion
4146 890
Step rotor (A)
0261 034
Minute wheel and pinion
0221 157
Center wheel and pinion
0281 904
Setting wheel
4002 904
Coil block (A)
4239 357
Rotor stator (A) 0391 368
Train wheel setting lever
0383 368
Setting lever
0384 470
Yoke 0282 890
Clutch wheel
0962 890
* All parts code are subject to change without notice.
Intermediate wheel for date corrector (A)
47
4
SII Products
52
Version-03
al.VD51B
PARTS CATALOGUE
46
39
40
38
41
42
44
51
48
49
50
43
45
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Remarks:
Date dial
* All parts code are subject to change without notice.
0878 221 3H 3H White
0878 220 3H 3H Black
6
Position of
crown
Position of
date frame
Color of figurePart code
5
SII Products
Version-02
al.VD51B
PARTS CATALOGUE
Color of
background
White
Black
Page 7
・The explanation here is only for the particular point of Cal.VD51B
1.REMARKS ON INSTALLING THE BATTERY
1)After the battery is replaced with a new one or after the
battery is reinstalled following the repairing procedures,
Be sure to touch the short-circuit the AC terminal of circuit
block and the switch spring with conductive tweezers
to reset the circuit as illustrated at right.
2) When the battery replaced with a new one, the time information stored in the built-in IC and
the time indicated by the stopwatch hands do not correspond with each other.
Reset the stopwatch hands to "0" position following the procedure below.
If the stopwatch hands should move improperly, also follow the same procedure.
①Pull the crown out to the second click.
②Kee
p
buttons "A" and "B" pressed at the same time
for 2 seconds, and then, release the buttons.
The stopwatch second hand move back and returned
to where it was.
③Press button "A" or "B" to reset the sto
p
watch second
and minute hands to"0" position.
* By pressing button "A" , set the stopwatch 1/1 second hand.
* By pressing button "B", set the stopwatch minute hand.
④Turn the crown to set the hour, and minute hands to
the desired time, and push the crown back in to the
normal position.
6
SII Products
Version-02
al.VD51B
TECHNICAL GUIDE
Page 8
1.REMARKS ON INSTALLING THE BATTER
Y
(1) HAND
・How to install the hands
Place the movement directly on a flat metal plate or
the like and press in the hands.
* Install the hour , minute and second hands at the
"12" o'clock position.
* Install the chrono minute and second hands at the
"0" position.
[Reference] The power of press hands
Minute & Hour hands < 5kg
Second hand < 5kg
Chrono minute & second < 3kg
(2) Battery
・How to install the batter
y
Remove the hook of the switch spring 's battery
clamp portion.
Insert the battery sideways, and have the hook of
the switch spring 's battery clamp portion catch
the main plate.
Battery clamp position
Hook Main plate
Hook
(3)Winding stem
・How to remove
While pushing the indented portion of the arrow pull out Push
the winding stem.
2
7
SII Products
Version-03
al.VD51B
TECHNICAL GUIDE
1
Metal plate
Page 9
Minute hand Stopwatch 1/1 second hand
Button A
Hour hand In stopwatch function
Start / Stop
Crown at normal position
Crown at second position
・Time setting
Second hand Crown at first position
・Date setting
Button B
In stopwatch function
Stopwatch minute hand Split / Reset
*The measurement time is indicated by the stopwatch hands that move independently of small second hand.
Before setting the time , check if the stopwatch 1/1 second , minute hands are in the "0"(12 o'clock) position.
* If the stopwatch is in use , press the button in the following order to reset it , and then ,
check if the hands return to "0" position.
(for details , see "HOW TO USE THE STOPWATCH")
* If the stopwatch is counting :
* If the stopwatch is stopped :
* If the split time is displayed :
・If either of the stopwatch hands are not in the "0" position , reset them following the procedure below.
Stopwatch 1/1 second hand
Crown
Stopwatch minute hand
1. Put the crown out 2. Press button A or B to reset the stopwatch
3. Push the crown back in to
to the second click. 1/1second , minute hands to "0" position.
the normal position
* By pressing button A , set the stopwatch
1/1second hand.
* By pressing button B , set the stopwatch
minute hand.
*The stopwatch minute hand moves correspondingly with the stopwatch second hand.
*The hands move quickly if the respective buttons are kept pressed.
A
B
BAB
8
SII Products
Version-02
al.VD51B
OPERATION
DISPLAY AND CROWN / BUTTON OPERATION
ADJUSTING THE STOPWATCH HAND POSITION
AB
B
Page 10
1.Pull out the crown to 2.Turn the crown clockwise 3.Pull out the crown to the 4.Push the crown back in
the first click. until the previous day's second click when the to the normal position in
date appears. second hand is at the accordance with a time
12 O'clock position. signal.
It will stop on the spot
and advance the hour
and minute hands by
turning the crown.
(Check that AM / PM
is set correctly)
*When the crown is at the
second click position.
Do not press any button.
Otherwise , the chronograph
hands will move.
*Do not set the date between 9:00 P.M. and 1:00 A.M.
Otherwise, the day may not change properly. If it is necessary to set the date during that time period, First change
the time to any time outside it, set the date and then reset the correct time.
・The measurement time is indicated by the stopwatch hands that move independently of the small second hands.
・The stopwatch can measure up to 12 hours in seconds.
(Standard measurement)
Ex)100m race (Press the buttons in the following order
RESET
(Reset to "0:00")
B
⇒
START
STOP
(Finish)
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SII Products
Version-02
al.VD51B
OPERATION
TIME SETTING
HOW TO USE THE STOPWATCH
A
⇒
A
AA
B
Page 11
(Accumulated elapsed time measurement)
Ex.) Basketball game (Press the buttons in the following order /
*Restart and stop of the stopwatch can be repeated as many times as necessary by pressing button A
(Split time measurement)
Ex.) 5,000m race (Press the buttons in the following order /
*Measurement and release of the split time can be repeated as many times as necessary by pressing button B
B
⇒
B
⇒・・⇒
A
A
⇒
BA
⇒
AA
STOP( Time out)
RESTART( Restart of game)
STOP
(Game over)
RESET
START
SPLIT/
SPLIT RELEASE
STOP RESET
A
⇒
B
10
SII Products
Version-02
al.VD51B
OPERATION
HOW TO USE THE STOPWATCH
START
(Start of game)
⇒・・⇒
AA
A
B
A
B
A
B
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