TMI Products VH8 series Technical Manual

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[SPECIFICATION]

*Refer to the 2pages for other Cal. No. specifications.

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

Cal. No.

Electronic circuit reset switch

Second setting device
Date setting

Day ： Retrogade

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.

Day -Calendar

　　　　Hand （10H）

－

○

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

1

Date -Calendar

　　　　 Hand （12H）

－－○

－

Date -Calendar

　　　　 Hand （3H）

○－－

○

VH88A

3Hands

(hour,minute,second)

○

○
○

○

Time
indication

24Hour hand (6H)

Date -Calendar
　　　　 Hand （2H）

Day -Calendar
　　　　 Hand （9H）

PARTS CATALOGUE / TECHNICAL GUIDE

VH8 Series

Version-01

Cal. No.

VH83A

Item

Movement

Movement
　　　　size

Outside diameter

Casing diameter
Total height

VH83A

2

SII Products

MOVEMENT VARIATION

Version-01

VH8A

VH88

VH83

date

24hours

day

date

24hours

day

Disassembling procedures Figs. Lubricating : Types of oil Oil quantity
Reassembling procedures Figs.

Moebius A

Normal quantity

*Refer to the 6pages for the each parts code

Hour , Minute ,Second　hands

Dial

Date-Day calendar,24Hour
hands

0012 354

4 0012 354

Support for dial side parts screw
0273 043
Hour wheel 5 0604 170 *

Support for dial side parts
0802 469
Day driving wheel

0970 004　Date Star

0491 014
Dial washer 0836 005 *

Intermediate wheel for date

0157 018 corrector holder

Small hour hand wheel

0012 354
0873 169 Intermediate wheel for date
Day jumper corrector holder screw

0585 169 0802 469
Hammer A Date driving wheel

0585 170 0962 033
Hammer B Intermediate wheel for

date corrector C

0817 049 0737 169

Intermediate hour wheel

Date corrector wheel

0505 169 0737 006

Day transmission　wheel Intermediate wheel for

date corrector D

0125 324 0962 033

Day wheel bridge

Intermediate wheel for

1019 012 date corrector B

Day wheel

Version-01

VH8A

PARTS CATALOGUE

1⇒24

3

SII Products

24⇒1

1021241192023

22

Support for dial
side parts screw

14171819815161213

<<VH83A>>

124

3

6

7