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            MOVEMENT SPECIFICATION - 1

1. MOVEMENT DIMENSIONS

·

Outside diameter

ψ

29.50mm  

(12H~6H)

  x  26.00mm  

(3H~9H)

·

Casing diameter

ψ

28.80mm  

(12H~6H)

·

Total height

 4.57 mm  

2. TIME STANDARD

·

Type of quartz oscillator

Tuning fork

·

Frequency of quartz oscillator

32,768 Hz

·

Accuracy

Monthly rate: Less than 20 seconds per month at 

normal temperature range

·

Regulation device

Nil

·

Regulation hands unbalance

Hour hand

: Less than 0.50 µN·m ( 50mg·mm )

Minute hand

: Less than 0.60 µN·m ( 60mg·mm )

Second hand

: Less than 0.07 µN·m ( 7mg·mm )

Dual time hand

: Less than 0.05 µN·m ( 5mg.mm )

24H indicator hand

: Less than 0.07 µN·m ( 7mg.mm )

·

The moment of inertia

24H indicator hand

(Disc hand) 

·

Additional function

Dual time of 24H

24H indicator ( synchronized regular hour-hand )

3. BATTERY

·

Type

Silver oxide battery

·

Size

ψ

9.5  x  t 2.0 ( mm )

·

Battery life

Approx. 2 years

·

Recommended battery

SR920SW ( SEIZAIKEN )

4. STEPPING MOTOR

·

Number of units 

2 pieces

·

Type

Two pole stepping motor

·

Step

180° every second

5. JEWEL

0 jewel

6. ANTIMAGNETISM

1600 A / m ( Will not affected by general household appliance )

     ( direct current magnetic field )

7. SHOCK RESISTANCE

On equal level with general quartz movement

8. OPERATING TEMPERATURE RANGE

From - 5 

 to + 50 

9. TEST OF ACCURACY

·

Equipment to be used

SEIKO Quartz Tester QT - 99

Greiner Quartz Timer - C

Witschi Q-Tester 4000

·

Duration of measurement

10 seconds

·

Microphone to be used

Electromagnetic detection type 

10. ATTACHED PARTS

   * All specifications are subject to change without notice. 

  SII Products

Version: 1

            Three Hands with 2 Eyes / Date ( 24H Indicator, Dual Time of 24H )

 CAL.VD31A  12  3 / 4 Ligne Quartz Movement

: Less than 0.40 µg·m² ( 400mg·mm² )

3013 - 14G0

0110 - 3400

Parts Name

Hand setting stem

Sticker

Silver oxide battery

Parts Code

0351-1770 (Normal) / 0351-1220 (Long)

Summary of Contents for VD31A

Page 1: ...on 1 Specification 2 Appearance Casing Hand Fitting Hand Setting Stem Dial Assembly Plan 1 Assembly Plan 2 Hands SII Products Version 1 Version No Item Version 1 Version 1 Version 1 Cal VD31A Version...

Page 2: ...9 5 x t 2 0 mm Battery life Approx 2 years Recommended battery SR920SW SEIZAIKEN 4 STEPPING MOTOR Number of units 2 pieces Type Two pole stepping motor Step 180 every second 5 JEWEL 0 jewel 6 ANTIMAG...

Page 3: ...d Reset relieved Dual time correction Counter clockwise Keep pushing hand moving fast Dual time correction Clockwise Keep pushing hand moving fast Time setting Reset switch Second setting device Dual...

Page 4: ......

Page 5: ......

Page 6: ...Center post Maximum height from main plate surface Total height incl movement Type M Type L Maximum height from main plate surface...

Page 7: ......

Page 8: ...Type M Type L Hour wheel Center wheel Small hour hand wheel Dual 24 hour wheel 24 Type M Type L Fourth wheel Type M Type L...

Page 9: ......

Page 10: ......

Page 11: ......

Page 12: ......

Page 13: ......

Page 14: ...SII Products ANALOGUE QUARTZ TECHNICAL GUIDE PARTS CATALOGUE Cal VD31 VD32 Issued on 19 Mar 2014...

Page 15: ...tion 0 Jewel 1hour push Time difference correction Buttons Antimagnetic Button B Crown position Button A Second click Time setting with stop second device Free Movement Movement size Outside diameter...

Page 16: ...l 0962 891 0Cal VD31 only Refer to page 5 for Intermediate wheel for date each parts code corrector B Hour wheel 0886 001 Intermediate 24 hours wheel and pinion A 12 13 11 PARTS CATALOGUE Refer to pag...

Page 17: ...l bridge B screw 0125 331 4270 358 Train wheel bridge B Battery connection 4146 177 Step rotor B 4002 923 Coil block B 4239 357 Rotor stator B 0701 014 Fifth wheel and pinion B All parts code are subj...

Page 18: ...in wheel setting lever 4002 904 Refer to page 5 for each Coil block A parts code Setting lever Refer to page 5 for each parts code 0384 470 Yoke 4239 357 Rotor stator A 0282 890 Clutch wheel Intermedi...

Page 19: ...crown Position of date frame Color of figure Color of background 0878 220 3H 4 5H Black White 0878 165 8 0817 368 0817 357 PARTS CATALOGUE 3H 6H Black White VD31 VD32 Parts form Parts name P 2 29 Four...

Page 20: ...ed following the repairing procedures Be sure to touch the short circuit the AC terminal of circuit block and the switch spring with conductive tweezers to reset the circuit as illustrated at right 3...

Page 21: ...metal plate or the like and press in the hands install the hour minute and second hands at the 12 o clock position Install the 24 hour indicator at the 24 position Install the dual time of 24 hour ha...

Page 22: ...e crown 3 Press button A or B to reset the 4 Push the crown back to VD31Csecond click dual time of 24 hour hand to the normal position VD32Cfirst click 0 position By pressing button A the hand 2 Keep...

Page 23: ...hich is in a different timezone the current time in the local time can be corrected 1 Crown at the normal potion 2 To adjust the time by pressing the button A or B By pressing button A the hands move...

Page 24: ...k in to the normal position Note Do not set the date during any time between 9 00 P M and 1 00 A M Otherwise the date may not change properly If it is necessary to set the date during that time period...

Page 25: ...hand moves counter clockwise Button B dual time hour hand moves clockwise The dual time hour hand moves quickly if the respective buttons are kept pressed Operation Manual VD31 VD32 DISPLAY AND CROWN...

Page 26: ...essing the button A or B Button A 1 hour push Button B 1 hour push Precise adjustment of the the dual time 1 Pull out the crown to second click VD31 first click VD32 when the second hand is at the 12...

Page 27: ...Date Dual Time No Date Dual Time No Date Appearance Size 12 3 4 12 3 4 12 3 4 12 3 4 Category B B B B Spec Sheet Dial Drawing No VD32 Dial 1 VD32 Dial 1 VD34 Dial 1 VD34 Dial 1 Postion Stem 3H 3H 3H...

Page 28: ...Date Dual Time No Date Dual Time No Date Appearance Size 12 3 4 12 3 4 12 3 4 12 3 4 Category B B B B Spec Sheet Dial Drawing No VD36 Dial 1 VD36 Dial 1 VD38 Dial 1 VD38 Dial 1 Postion Stem 3H 3H 3H...

Page 29: ...Size 12 3 4 12 3 4 12 3 4 12 3 4 Category B B B B Spec Sheet Dial Drawing No VD31 Dial 1 VD31 Dial 1 VD31 Dial 1 VD31 Dial 1 Postion Stem 3H 3H 3H 3H Date 6H 6H 6H 6H Date Disc Color White base Black...

Page 30: ...3 4 12 3 4 12 3 4 Category B B B B Spec Sheet Dial Drawing No VD31 Dial 1 VD33 Dial 1 VD33 Dial 1 VD33 Dial 1 Postion Stem 3H 3H 3H 3H Date 6H approx 4 5 approx 4 5 approx 4 5 Date Disc Color Black b...

Page 31: ...12 3 4 12 3 4 Category B B B B Spec Sheet Dial Drawing No VD33 Dial 1 VD35 Dial 1 VD35 Dial 1 VD35 Dial 1 Postion Stem 3H 3H 3H 3H Date approx 4 5 approx 4 5 approx 4 5 approx 4 5 Date Disc Color Bla...

Page 32: ...Size 12 3 4 12 3 4 12 3 4 Category B B B Spec Sheet Dial Drawing No VD37 Dial 1 VD37 Dial 1 VD37 Dial 1 Postion Stem 3H 3H 3H Date approx 4 5 approx 4 5 approx 4 5 Date Disc Color White base Black let...

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