TMI Products VK6 Series Installer manual

ANALOGUE QUARTZ
TECHNICAL GUIDE
&
PARTS CATALOGUE
Cal.VK6 Series
(VK61A/64A)
11032021

Version-01
Cal.VK6 Series
(VK61A/64A)
Date display with quick correction
Electronic circuit reset switch
Time setting with stop-second
60 minutes counter
( 12H )
O
-
O
Small second hand
( 6H )
O
-
Center chronograph
( 1 / 5 second )
O
60 second per round
O
60 second per round
Movement
Movement
size
Outside diameter
φ30.80 mm × 29.10 mm ( 3H - 9H )
Casing diameter
φ29.00 mm
Total height
5.10 mm
O
O
Battery
SR936SW (Silver oxide battery)
Battery life is approximately 3 years
(60 minutes chronograph operation per day)
Driving system
Two pole stepping motor
Step motor 2 pieces
Additional mechanism
Accuracy
Less than ± 20 seconds : Monthly rate at normal temperature range
60 minutes counter
( 9H )
-
O
24 hour indicator
( 3H )
Date Calendar
-
O
O
1
SPECIFICATION
Cal. No.
VK61A
VK64A
Item
Measuring gate by quartz tester
Use 10 second gate
*Set the winding stem with crown at the normal position
Antimagnetic
≧1600 A/m
Jewels
0 Jewel
Time
indication
2 Hands
(hour, minute)

Version-01
Cal.VK6 Series
(VK61A/64A)
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
*Refer to page 7 for each parts code.
[ Cross section ]
PARTS CATALOGUE
Date indicator maintaining plate
screw
2
*Refer to page 7 for each parts
code.
*Refer to page 7 for each parts
code.
*Refer to page 7 for each parts
code.
○
61
○
1
○
61
○
1
*1
○
1
○
2
○
3
○
4
○
5
○
6
○
7
*1

Version-01
Cal.VK6 Series
(VK61A/64A)
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 005
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
PARTS CATALOGUE
Date corrector setting
transmission wheel (C)
Date corrector setting
transmission wheel
(B)
*1
○
11
○
12
○
13
○
10
○
8
○
9
○
14
○
61
○
1
○
61
○
1
*1

Version-01
Cal.VK6 Series
(VK61A/64A)
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
Switch spring ** & ***
0353 018
0190 007
Chronograph bridge
*VK64 only
*VK61 only
0581 007 ***
0587 006 ***
0585 013
** & ***
Hammer
0888 027
0587 004 ***
* Refer to page 7 for each parts code.
** Refer to page 9 for oiling spot.
*** Refer to page 10 for spring setting position.
4
PARTS CATALOGUE
Seconds counting
wheel friction spring
Train
wheel
stop lever
0894 002
***
Chronograph coupling
lever
Hammer
operating lever
(A)
Hammer
operating
lever (B)
Seconds counting
wheel
*Refer to page 7
for each parts
*Refer to page 7
for each parts
○
61
○
1
○
61
○
1
*1
*2
○
15
○
16
○
17
○
18
○
22
○
23
○
24
*1
*2
○
19
○
20
○
25
○
26
○
21
○
15

Version-01
Cal.VK6 Series
(VK61A/64A)
Lubricating : Types of oil
Oil quantity
Disassembling procedures Figs.
→Moebius 9010 NORMAL QUANTITY
Reassembling procedures Figs.
→Moebius 9030 SUFFICIENT QUANTITY
0186 002 ** 0016 121
Lower plate for chronograph bridge
4408 149
Circuit block spacer
4004 353
0125 318 Circuit block
Train wheel bridge
4270 336
(Cal.VK64 only)
0885 003 ****
(Cal.VK64 only)
0012 354
Coil block screw
0886 004 **** 4002 054
Coil block (A)
0886 005 **** 4146 063
Step rotor
4239 063
Stator (A)
* VK64 only * VK61 only
** Refer to page 9 for oiling spot.
**** Refer to page 8 for assembling of chronograph wheel.
PARTS CATALOGUE
5
Counter intermediate
wheel and pinion
Minute counter
intermediate
0701 015
Fifth wheel and pinion
Minute counter
intermediate wheel (C)
Minute counter
intermediate wheel (B)
Lower plate for
chronograph bridge
screw
0886 007 ****
Seconds counter intermediate
wheel and pinion
0886 006 ****
Battery connection
(-)
○
61
○
1
○
61
○
1
*1
○
27
○
29
○
30
○
31
○
38
○
39
○
40
○
41
○
34
○
33
○
28
○
36
○
35
○
37
○
42
○
32
*1

Version-01
Cal.VK6 Series
(VK61A/64A)
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
(Cal.VK61 only)
Seconds wheel 0962 032
0351 177
Winding stem
PARTS CATALOGUE
6
Setting lever
Date corrector
setting
transmission
wheel (A)
Center wheel
and pinion
Fifth wheel
and pinion
Fourth wheel
and pinion
Minute wheel
and pinion
○
61
○
1
○
61
○
1
*1
*1
○
56
○
43
○
50
○
51
○
52
○
53
○
54
○
57
○
58
○
60
○
61
○
59
○
49
○
55
○
44
○
45
○
46
○
47
○
48

Version-01
Cal.VK6 Series
(VK61A/64A)
Remarks: Different parts for each CAL.
[ NOTE ]
About the parts code ”0902 017”
When you purchase this part,
please order new one " 0902 017 "
Date indicator (Cal.VK61 / 64 common parts)
* All parts code are subject to change without notice.
7
White
0148 071
3H
6H
White
Black
VK64
0148 070
3H
6H
Black
Color of figure
Color of
background
VK61
0878 328
3H
3H (4.5H)
Black
White
0878 329
3H
3H (4.5H)
White
Black
③
Cal.
Parts code
Crown
position
Date
position
－
－
0902 017
Old parts
New parts
No.㉔
No.㉓
No. ㉔ ＆ ㉓
-
O
0902 017
Minute counting wheel
O
-
0685 003
Positioning arbor
-
O
4250 080
㉓
-
O
0685 003
Positioning arbor
O
-
0902 017
Minute counting wheel
㉔
⑯
O
-
4250 074
Switch spring
( Differs by Cal. marking )
O
-
0802 039
Date indicator driving wheel
⑦
-
O
0157 012
Small hour hand wheel
PARTS CATALOGUE
No
Cal.
Parts code
Parts name
Parts form
VK61
VK64
⑥
-
O
0817 048
Intermediate small hour hand wheel and pinion
O
-
Intermediate date wheel and pinion

Version-01
Cal.VK6 Series
(VK61A/64A)
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
*Mark positions, and sizes, etc. are different.
Seconds counter
intermediate wheel and
pinion
[ Cal.VK61 ]
Seconds counter
intermediate
wheel and pinion
Minute counter
intermediate
wheel and pinion (A)
Counter intermediate
wheel and pinion
Counter intermediate
wheel and pinion
Minute counter
intermediate
wheel and pinion (A)
Minute counter intermediate
wheel (C)
Minute counter
intermediate wheel (B)
Nil
Seconds counter intermediate wheel and pinion
Nil
F
Minute counter intermediate wheel (B)
G
Minute counter intermediate wheel (C)
Seconds counter intermediate wheel and pinion
Minute counter intermediate wheel and pinion (A)
B
[ Cal.VK64 ]
8
TECHNICAL GUIDE
[ Cal.VK61 ]
[ Cal.VK64 ]
Mark
Parts name
Mark
Parts name
Minute counter intermediate wheel and pinion (A)
C
Counter intermediate wheel and pinion
C
Counter intermediate wheel and pinion
B
○
33
○
35
○
36
○
37
○
36
○
35
○
34
○
37
○
34
○
37
○
33
○
35
○
36
○
35
○
36
○
37

Version-01
Cal.VK6 Series
(VK61A/64A)
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
*Oiling should be done on the contact spot of the spring and the pin.
9
TECHNICAL GUIDE
*1: Oiling should be done on the
pointed spot of marked place.
Hammer operating
lever (B)
*2
*3
○
28
○
16
○
21
*2
*3
○
19
○
16
○
20
*1 *1 *1 *1

Version-01
Cal.VK6 Series
(VK61A/64A)
3.Spring setting position
Train wheel stop lever
Lower plate for chronograph bridge
Hammer operating lever (A)
Hammer
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
Hammer
operating lever
(B)
Setting position
Switch lever (A) is set between the switch
spring and chronograph coupling lever.
Switch lever (B) is set between the switch
spring and hammer operating lever (A) .
TECHNICAL GUIDE
*1 *2 *3
*4
*1
*2
Enlarged view
○
16
*1 *2
*3
*4
○
19
○
20
○
21
○
25
○
26
○
28
*1
*2
○
19
○
16
○
26
○
11
○
12

Version-01
Cal.VK6 Series
(VK61A/64A)
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.
2) Insert the battery sideways, and have the hook of the switch spring's battery clamp catch the
main plate.
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, Tweezers
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 the circuit as illustrated.
TECHNICAL GUIDE
11
○
16

Version-01
Cal.VK6 Series
(VK61A/64A)
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 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 for VK64 ]
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 *2
Application hands
*1: Second chronograph hand
*2: Minute chronograph hand and Small second hand and 24 hour hand
12
TECHNICAL GUIDE
Cal.
VK61
VK64
Second chronograph
"12" o'clock (center)
"12" o'clock (center)
Minute chronograph
"60" minute ( 12H )
"60" minute ( 9H )
Metal plate
Button (B)
(Chronograph reset)
Button (A)
(Chronograph start / stop)

Version-01
Cal.VK6 Series
(VK61A/64A)
*5 *3
*3 *2 *7 *2 *7
*1
*9
*11
*1
*10
*5 *8
*8 *6
*4
Note
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.(VK61 only)
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.(VK61 only)
13
*2:
*3:
*1:
OPERATION
Button (A) (START / STOP)
Chronograph second hand
*8:
Button (B) (RESET)
*11:
DISPLAY AND CROWN / BUTTON OPERATION
<< VK61 >>
<< VK64 >>
Hour hand
*6:
24 hour hand
*10:
Crown at first position
(Date setting)
Minute hand
*7:
Crown at second position
(Time setting)
*4:
Small second hand
*9:
Crown at normal position
* If the crown is operated within this 10 seconds, the two-second interval movement will not activate.
(VK61 only)
*5:
Chronograph minute hand
(60 minute)
If the crown is pulled to the second position while the chronograph is started, the chronograph hands
will continue to move. This is not a malfunction.

Version-01
Cal.VK6 Series
(VK61A/64A)
[ 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 ・Press button (A) again to stop the ・Press button (B) to reset the
chronograph.
chronograph. 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).
[ 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
14
Button (A)
(START)
Button (A)
(STOP)
Button (B)
(RESET)
Press the buttons in the following order :
A
A
RESET
B
START
STOP (Finish)
RESET
( 20 minutes 10 seconds )
Press the buttons in the following order :
A
A
During the chronograph operation, button (B) (reset) can be pushed. There is no problem with the
function.
( 8 minutes 40 seconds )
( 20 minutes 10 seconds )
START
STOP / RESTART
STOP