TMI Products VH31 Quick start guide

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[SPECIFICATION]

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

Electronic circuit reset switch

Second setting device

SR920SW (Silver oxide battery)

Battery life is approximately 2 years

Use 10-second gate

* Set the winding stem with crown at the normal position

* All specifications are subject to change without notice.

　Time indication

　 3Hands　　(hour,minute,second)

PARTS CATALOGUE / TECHNICAL GUIDE

Cal.VH31

Version-01

Cal. No.

VH31A

Item

Movement

　　　　size

Outside diameter

Casing diameter

Total height

SII Products

Driving　System

Step motor

Additional mechanism

Antimagnetic

≧1600 A/m

Accuracy

Less than ±15seconds : Monthly rate at normal temperature range

Battery

Measuring gate

by quartz tester

Jewels

2 Jewels

SII Products

MOVEMENT VARIATION

Version-01

VH31A

VH31

Disassembling procedures Figs.

Reassembling procedures Figs.

①Hour , Minute ,Second　hands

②Dial

③0012 354

Support for dial side parts screw

④0604 150

Support for dial side parts

⑤0273 046

　　Hour wheel

<<VH31A>>

SII Products

５

⇒

Version-01

VH31A

PARTS CATALOGUE

⇒

５

Disassembling procedures Figs. Lubricating : Types of oil Oil quantity

Reassembling procedures Figs. Moebius A

Normal quantity

Moebius ＦLiberal quantity

*Battery connection(+)

0351 177

SII Products

⇒

PARTS CATALOGUE

Version-01

VH31A

⇒

20012 168

Battery connection (+) screw

34268 080

Battery connection(+)

44216 103

Insulator

70144 006

Fourth wheel and pinion

80560 005

Friction spring for

fourth wheel and pinion

14 0281 015

Setting wheel

16 0261 052

Minute wheel

and pinion

25 0012 354

Center wheel

bridge screw

27 0221 095

Center wheel and

pinion

23 4002 070

Coil block

54270 339

Battery connection(-)

60125 321

Train wheel bridge

10 0701 017

Fifth wheel and pinion

15 0391 029

Train wheel

setting lever

17 0383 154

Setting lever

18 0384 452

Yoke

20 0282 452

Clutch wheel

21 0804 169

Intermediate wheel for

date corrector A 19 0351 177

Winding stem

13 4004 474

Circuit block

11 0706 008

Sixth wheel and pinion

90231 061

Third wheel and pinion

12 4146 104

Step rotor

26 0121 060

Center wheel bridge

24 4239 065

Stator

22 0012 354

Coil block scrｅw

Main plate

1 Battery

・The explanation here is only for the particular point of Cal.VH31A

1.REMARKS ON DISASSEMBLING 　AND　REASSEMBLING

(1)HAND

・How to install hands:

Place the movement directly on a flat metal plate

or such a hard plate when you install the hands.

Necessary procedure to setting hands:

①Set the dial.

②Install the hour and minute and second hands at the 12 o'clock position.

(2)Winding stem

・How to remove:

Pull out the winding stem while pushing

the indented portion of the arrow.

(3)Battery

・How to install:

Insert the battery in the aslant direction as shown by the arrow.

Check the battery connection (+) securely touches the

side face of the battery.

・How to remove:

Firstly slide the battery in the direction of the arrow with tweezers,

and then lift the battery.

(4)Insulator

・How to set:

To insulate between the battery connection (+)

and the battery connection (-), the insulator

should be put at the two pins securely as bellow.

TECHNICAL GUIDE

Version-01

VH31A

SII Products

Insulator

Metal plate

Push

・How to set the support of dial side parts:

There are two hooks on the support for dial side parts. (Fig.1)

First , assemble the two hooks on the support for dial side parts

to the position of the built-in height A of the base plate. (Fig.2)

Second , assemble the two hooks on the position of the built-in height B of the base plate. (Fig.3)

example VH31A

Fig.1 Fig.2 (built-in height A) Fig.3 (built-in height B)

TECHNICAL GUIDE

Version-01

VH31A

SII Products

height A position

height B position

*1: Hour hand

*3: Second hand *5:

First click

*2: Minute hand *4: Crown at normal position

・Time setting

1.Pull out the crown to the first click 2.Push the crown back into the normal position

when the second hand is at the in signal.

12 O'clock position.

Turn the crown to set the hour and

minute hands to the time.

SII Products

TIME SETTING

OPERATION

Version-01

VH31A

DISPLAY AND CROWN OPERATION

≪VH31A≫

Note:

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