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 )

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 ]

PARTS CATALOGUE

Date indicator maintaining plate

screw

*Refer to page 7 for each parts

code.

Intermediate small hour hand wheel

and pinion

○

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.

Date corrector setting

transmission wheel (C)

Date corrector setting

transmission wheel

(B)

PARTS CATALOGUE

○

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.

PARTS CATALOGUE

Train wheel

stop lever

Seconds counting wheel

friction spring

Hammer

operating lever

(A)

Hammer operating lever (B)

Seconds counting

wheel

○

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)

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

○

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

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)

○

Version-01

Cal.VK68A

Remarks:

③Date indicator

* All parts code are subject to change without notice.

0878 328

3H (4.5H)

Black

White

PARTS CATALOGUE

Parts code

Crown

position

Date

position

Color of figure

Color of

background

0878 329

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.

Minute counter intermediate wheel (C)

TECHNICAL GUIDE

[ Cal.VK68 ]

Mark

Parts name

Minute counter intermediate wheel and pinion (A)

Counter intermediate wheel and pinion

Nil

Seconds counter intermediate wheel and pinion

Minute counter intermediate wheel (B)

○

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

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)

*1 *1

○

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