TMI Products VK68A Installer manual

ANALOGUE QUARTZ
TECHNICAL GUIDE
&
PARTS CATALOGUE
Cal.VK68A
19032021

Version-01
Cal.VK68A
Antimagnetic
≧1600 A/m
Jewels
0 Jewel
Accuracy
Less than ± 20 seconds : Monthly rate at normal temperature range
Battery
SR936SW (Silver oxide battery )
Battery life is approximately 3 years
(60 minutes chronograph operation per day)
Measuring gate by quartz tester
Use 10 second gate
*Set the winding stem with crown at the normal position
24 hour indicator ( 2H )
Driving system
Two pole stepping motor
Step motor 2 pieces
Additional mechanism
Date display with quick correction
Electronic circuit reset switch
Time setting with stop-second
2 Hands (hour, minute)
Small second hand ( 6H )
Date Calendar
Center chronograph ( 1/5 second )
60 minutes counter ( 10H )
1
SPECIFICATION
Cal. No.
VK68A
Item
Movement
size
Outside diameter
φ30.80 mm × 29.10 mm ( 3H - 9H )
Casing diameter
φ29.00 mm
Total height
5.10 mm
Time indication
Movement

Version-01
Cal.VK68A
Lubricating : Types of oil
Oil quantity
Disassembling procedures Figs.
→Moebius 9010 NORMAL QUANTITY
Reassembling procedures Figs.
→Moebius 9030 SUFFICIENT QUANTITY
0012 354
0808 052
Date indicator maintaining plate
0810 019
Date jumper
0806 002
Date corrector wheel
0817 048
0157 012
Small hour hand wheel
[ Cross section ]
2
PARTS CATALOGUE
Date indicator maintaining plate
screw
*Refer to page 7 for each parts
code.
Intermediate small hour hand wheel
and pinion
○
1
○
1
○
60
○
60
*1
○
1
○
2
○
3
○
4
○
5
○
6
○
7
*1

Version-01
Cal.VK68A
Lubricating : Types of oil
Oil quantity
Disassembling procedures Figs.
→Moebius 9010 NORMAL QUANTITY
Reassembling procedures Figs.
→Moebius 9030 SUFFICIENT QUANTITY
0273 041
Hour wheel
0012 354
Switch lever holder screw
0837 007
Switch lever holder
4450 017 ***
Switch lever (A)
4450 018 ***
Switch lever (B)
0962 891
0962 013
*** Refer to page 10 for spring setting position.
3
Date corrector setting
transmission wheel (C)
Date corrector setting
transmission wheel
(B)
PARTS CATALOGUE
○
1
○
1
○
60
○
60
*1
○
11
○
12
○
13
○
10
○
8
○
9
○
14
*1

Version-01
Cal.VK68A
Lubricating : Types of oil
Oil quantity
Disassembling procedures Figs.
→Moebius 9010 NORMAL QUANTITY
Reassembling procedures Figs.
→Moebius 9030 SUFFICIENT QUANTITY
0016 121 0016 121
Switch spring screw Switch spring screw
4250 086 ***
Switch spring
0353 018
0190 009
Chronograph bridge
0581 007 ***
0587 008 ***
Chronograph
coupling lever
0585 015 **&***
Hammer
0894 002 ***
0888 270
0902 017
Minute counting
0587 004 ***
wheel
** Refer to page 9 for oiling spot.
*** Refer to page 10 for setting position.
4
PARTS CATALOGUE
Train wheel
stop lever
Seconds counting wheel
friction spring
Hammer
operating lever
(A)
Hammer operating lever (B)
Seconds counting
wheel
○
1
○
1
○
60
○
60
*1
*2
*1
*2
○
15
○
16
○
17
○
18
○
19
○
25
○
15
○
20
○
21
○
22
○
23
○
24

Version-01
Cal.VK68A
Lubricating : Types of oil
Oil quantity
Disassembling procedures Figs.
→Moebius 9010 NORMAL QUANTITY
Reassembling procedures Figs.
→Moebius 9030 SUFFICIENT QUANTITY
0186 004 ** 0016 121
Lower plate for chronograph bridge
4408 149
0125 319
Train wheel bridge 4004 353
Circuit block
4270 336
0885 003 ****
0012 354
4002 054
0886 004 **** Coil block (A)
4146 063
Step rotor
0886 005 ****
4239 063
Stator (A)
0701 015
** Refer to page 9 for oiling spot.
**** Refer to page 8 for assembling of chronograph wheel.
Fifth wheel and
pinion
Counter intermediate
wheel and pinion
Minute counter
intermediate wheel and
pinion (A)
5
PARTS CATALOGUE
0886 007 ****
0886 006 ****
Minute counter
intermediate wheel (C)
Minute counter
intermediate wheel (B)
Seconds counter
intermediate
wheel and pinion
Lower plate for
chronograph bridge
screw
Circuit block spacer
Battery
connection (-)
Coil block screw
○
1
○
1
○
60
○
60
○
27
○
31
○
32
○
33
○
34
○
35
○
36
○
41
○
37
○
38
○
39
○
30
○
28
○
29
○
26
○
40

Version-01
Cal.VK68A
Lubricating : Types of oil
Oil quantity
Disassembling procedures Figs.
→Moebius 9010 NORMAL QUANTITY
Reassembling procedures Figs.
→Moebius 9030 SUFFICIENT QUANTITY
0231 059
Third wheel and pinion 4455 006
0144 002 Reset lever
0391 028
0261 126 Train wheel setting lever
0012 354
Coil block screw
0281 452
Setting wheel 4002 055
Coil block (B)
4283 042
Center wheel and 4146 063
pinion bridge Step rotor
0221 091 4239 064
Stator (B)
0701 015 0383 891
0384 024
Yoke
0282 452
0240 018 Clutch wheel
Seconds wheel 0962 032
0351 177
Winding stem
6
PARTS CATALOGUE
Fourth wheel
and pinion
Minute wheel
and pinion
Center wheel
and pinion
Fifth wheel
and pinion
Setting lever
Date corrector
setting
transmission
wheel (A)
○
1
○
1
○
60
○
60
*1
*1
○
51
○
52
○
53
○
54
○
58
○
60
○
59
○
45
○
46
○
47
○
48
○
50
○
57
○
55
○
44
○
43
○
42
○
49
○
56

Version-01
Cal.VK68A
Remarks:
③Date indicator
* All parts code are subject to change without notice.
0878 328
3H
3H (4.5H)
Black
White
7
PARTS CATALOGUE
Parts code
Crown
position
Date
position
Color of figure
Color of
background
0878 329
3H
3H (4.5H)
White
Black

Version-01
Cal.VK68A
1.Detailed assembling of chronograph wheel
[ NOTE ]
There is a mark on parts. Parts are set in order of the mark as shown in the table below.
Image example of the mark
0886 007
Minute counter intermediate wheel (C)
0886 006
Minute counter intermediate wheel (B)
0885 003
Seconds counter intermediate wheel and pinion
0886 004
Counter intermediate wheel and pinion
0886 005
Minute counter intermediate wheel and pinion (A)
*Mark positions, and sizes, etc. are different.
G
Minute counter intermediate wheel (C)
8
TECHNICAL GUIDE
[ Cal.VK68 ]
Mark
Parts name
B
Minute counter intermediate wheel and pinion (A)
C
Counter intermediate wheel and pinion
Nil
Seconds counter intermediate wheel and pinion
F
Minute counter intermediate wheel (B)
○
33
○
34
○
35
○
36
○
32
○
33
○
34
○
35
○
36
○
32

Version-01
Cal.VK68A
Lubricating : Types of oil
Oil quantity
Moebius 9010 NORMAL QUANTITY
S-6
SUFFICIENT QUANTITY
2.Oiling spot
Hammer
There must be oil within the range of the arrow.
Lower plate for chronograph bridge
Note
Switch spring
*Oiling spot and spring setting position.
Chronograph coupling lever
Setting position
Switch spring
9
TECHNICAL GUIDE
*Oiling should be done on the contact spot of the spring and the pin.
*1: Oiling should be done on the
pointed spot of marked place.
Hammer operating
lever (B)
*2
*3
*1
*1
*1 *1
*2
*3
○
19
○
21
○
20
○
16

Version-01
Cal.VK68A
3.Spring setting position
Train wheel stop lever
Lower plate for chronograph bridge
Hammer operating lever (A)
Hammer
Hammer operating lever (B)
Chronograph coupling lever
4.Switch lever (A) and (B) setting position
Switch spring Switch spring
Switch lever (B)
Switch lever (A)
Hammer operating lever (A)
Chronograph coupling lever
10
Switch lever (B) is set between the switch
spring and hammer operating lever (A) .
TECHNICAL GUIDE
Setting position
Switch lever (A) is set between the switch
spring and chronograph coupling lever.
*1
*2
*4
*1
*2
*3
○
20
○
21
○
24
*1 *2
*3
*4
○
19
○
25
○
27
○
16
*1
*2
○
11
○
12
○
19
○
25
○
16
Enlarged view

Version-01
Cal.VK68A
5.To remove the winding stem
1) Set the winding stem to normal position.
2) Pull out the winding stem while pushing "A".
Push "A"
6.To remove or install the battery
1) Remove the hook of the switch spring's battery clamp.
Switch spring
Battery clamp
1) When Removing Main plate 2) When Installing
7.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 AC terminal of circuit block and
the switch spring with conductive tweezers to reset Tweezers
the circuit as illustrated.
TECHNICAL GUIDE
11
2) Insert the battery sideways, and have the hook of the switch spring's battery clamp catch the
main plate.
○
16

Version-01
Cal.VK68A
8.How to install the hands
Place the movement directly on a flat metal plate, or something alike to
install the hands.
[ Note: Second / Minute / Hour chronograph hands setting ]
(1) Push button (A) ( Chronograph start )
(2) Push button (A) ( Chronograph stop )
(3) Push button (B) ( Chronograph reset )
(4) After (1)-(3), Install the chronograph hands as shown
in the table below.
*Do not reuse the chronograph hands once detached. Please change and use new hands.
[ Note: To install 24 hour hand ]
Before installing 24 hour hand, pull out the crown to the second click position and rotate it clockwise,
until changed to the next date then install the 24 hour hand.
9.How to check correct hands attachment
The hand's top surface should be set parallel with the axis tip , as shown below.
*1
*2
Application hands
*1: Second chronograph hand
*2: Minute chronograph hand and Small second hand and 24 hour hand
TECHNICAL GUIDE
12
Cal.
VK68
Second chronograph
"12" o'clock (center)
Minute chronograph
"60" minute ( 10H )
Hour chronograph
－
Metal plate
Button (A)
( Chronoguraph start / stop )
Button (B)
( Chronoguraph reset )

Version-01
Cal.VK68A
*3 *2*7
*1 *9
*11
*10
* 5 *8
*6
Note
*4
1.How to set the time
1) Pull out the crown to the second click position.
2) Turn the crown to set hour and minute hands.
(Check that AM / PM is set correctly.)
3) Push the crown back into the normal position.
[ Note ]
2.How to set the date
1) Pull out the crown to the first click position.
2) Turn the crown clockwise for date setting.
*Do not set the date between 9:00 P.M. and 3:00 A.M. as this will cause a malfunction.
3) Push the crown back into the normal position.
3.How to reset (after battery change)
It is possible to reset by the following two methods.
1) Set the crown to the normal position.
Method 1
2) Touch the AC terminal of circuit block and the switch spring with conductive tweezers
to reset the circuit.
3) The small second hand will move at two-second interval for 10 seconds.
1) Pull out the crown to the second click position.
Method 2 2) Press the button (B) for two seconds and release the button.
3) Push the crown back to the normal position.
4) The small second hand will move at two-second interval for 10 seconds.
* If the crown is operated within this 10 seconds, the two-second interval movement will not activate.
13
OPERATION
<< VK68 >>
*1:
Hour hand
*6:
24 hour hand
*10:
Crown at first position
(Date setting)
*2:
Minute hand
*7:
Button (A) (START / STOP)
*3:
Chronograph second hand
*5:
Chronograph minute hand
(60 minute)
If the crown is pulled to the second position while the chronograph is started, the chronograph
hands
DISPLAY AND CROWN / BUTTON OPERATION
*8:
Button (B) (RESET)
*11:
Crown at second position
(Time setting)
*4:
Small second hand
*9:
Crown at normal position

Version-01
Cal.VK68A
[ Note ]
It is not necessary to set the chronograph hands after the battery is exchanged.
If the chronograph hands position are incorrect, following below procedure all the chronograph hands
will be reset to "0" position.
[ Standard measurement ]
・Press button (A) to start the
chronograph.
The chronograph second
The chronograph hands stop to All the chronograph hands
hand will start moving. indicate the elapsed time.
will be reset to "0" position.
Note
The chronograph can measure up to 60 minutes.
The chronograph stops after a measurement for 60 minutes.
*Restart by pushing button (A)
During the chronograph operation, button (B) (reset) can be pushed. There is no problem with the function.
[ Accumulated elapsed time measurement ]
A / A
B
*Restart and stop of the chronograph can be repeated as many times as necessary by pressing button (A).
HOW TO USE THE CHRONOGRAPH
OPERATION
Button (A)
(START)
Button (A)
(STOP)
Button (B)
(RESET)
B
START
STOP (Finish)
RESET
( 20 minutes 10 seconds )
Press the buttons in the following order :
A
A
( 8 minutes 40 seconds )
( 20 minutes 10 seconds )
14
STOP
・Press button (B) to reset the
chronograph.
・Press button (A) again to
stop the chronograph.
RESET
STOP / RESTART
Press the buttons in the following order :
A
A
START