cal.vd7series · parts catalogue / technical guide 24hour hand (12h) cal. no. vd74a item small...

ANALOGUE QUARTZ

TECHNICAL GUIDE

&

PARTS CATALOGUE

Cal.VD7Series

SII Products

（（（（VD72/73/74/75/76/77/78/79A））））

Revised on : 10. Mar. 2009

[SPECIFICATION]

*Refer to the 2pages for other Cal. No. specifications.φ23.70 mm

22.60 mm ： between 12 o'clock and 6 o'clock sides22.60 mm ： between 　3 o'clock and 9 o'clock sides

φ23.30 mm22.10 mm ： between 12 o'clock and 6 o'clock sides21.40 mm ： between 　3 o'clock and 9 o'clock sides

3.45 mmCal. No.hands

Electronic circuit reset switchSecond setting deviceDate setting

SR626SW (Silver oxide battery)Battery life is approximately 3 yearsUse 10-second gate* Set the winding stem with crown at the normal position

* All specifications are subject to change without notice.

x x x x O x x x

x x O O x x x O

O O × x O x x x

x x O O x x x O

x x O x x O x xx O O O O O O x

O O OO O O O43 4 6 5

SII Products

Timeindication

Movement

VD76AVD72A VD73A VD74A VD75A5O

Version-04VD7Series

1

Battery

Measuring gate by quartz tester

VD77A VD78A VD79A4 3

Movement　　　　size

Additional mechanism

Date -Calendar　　　　 Hand （3H）

Day -Calendar　　　　Hand （10H）

Day -Calendar　　　　 Hand （9H）

Date -Calendar　　　　 Hand （2H）

PARTS CATALOGUE / TECHNICAL GUIDE

24Hour hand (12H)

VD74ACal. No.Item

Small Second hand （6H）

Outside diameter

Casing diameter

Total height

2Hands (hour , minute)

Jewels 0 Jewel

Driving　System Step motor

Antimagnetic ≧1600 A/m

Accuracy Less than ±20seconds : Monthly rate at normal temperature range

VD75 VD76

VD73 VD77

MOVEMENT VARIATION Version-03VD7A

VD74

VD72

VD79

VD78

2SII Products

24hours

day date

small second

day date

small second

day date

small second

date

small second small second

24hours

day date

date

small second

Disassembling procedures Figs. Lubricating : Types of oil Oil quantity

Reassembling procedures Figs. Moebius A Normal quantityMoebius Ｆ

Hour , Minute hands

Date calendar hand

Dial

0022 247 0022 247Support for dial side parts screw

0604 170Support for dial side parts

0737 169Date corrector wheel

0836 171 0970 169Intermediate wheel for date Date starcorrector holder

0022 2470962 010 Intermediate wheel for date

corrector holder screw

0802 469Date driving wheel

0804 170Intermediate wheel for date corrector C

0273 169Hour wheel 0737 891

Intermediate wheel for date corrector D

<<VD72A>>

9

6

7

8

Intermediate wheel fordate corrector B

10

11

14

4

Version-03VD7A

1 14⇒

PARTS CATALOGUE

14

1

13

2

3

4

⇒ 1

5

3SII Products

12

Support for dial side parts screw

0100 470Main plate



Hour , Minute hands

Small second , Date calendarDial



0737 1690802 469 Date corrector wheelDate driving wheel

0970 169Date star

0125 369 0022 247Small second wheel bridge Intermediate wheel for date


0240 169 0836 171Small second wheel Intermediate wheel for date

corrector holder

0962 010 0804 170Intermediate wheel for date corrector C

0737 891Intermediate wheel for date corrector D

0273 169Hour wheel

11


Support for dial side parts screw4

5

1516

<<VD73A>>

⇒ 1

4SII Products

16

1

8

9

10

PARTS CATALOGUE Version-03VD7A

1 16⇒

2

14

3

4

12

13

6

7

0100 470Main plate



Hour , Minute hands

Dial Small second , Date-Day calendar24Hour hands

0022 2470022 247Support for dial side parts screw


0491 014Dial washer

1019 169Day wheel 0157 169

Small hour hand wheel0802 469Day driving wheel 0737 169

Date corrector wheel0802 469Date driving wheel 0970 169

Date star0125 369

0022 247Intermediate wheel for date

0240 169 corrector holder screwSmall second wheel

0836 171Intermediate wheel for date corrector holder

0737 891 0962 010

0962 0100273 169Hour wheel

5SII Products

20

1

Intermediate wheel for date corrector C

Intermediate wheel for date corrector B

Version-05VD7A

1 20⇒

13

14

PARTS CATALOGUE

<<VD74A>>

⇒ 1

12

15

6

7

8

9

16

17

Small second wheel bridge

19

20

Intermediate wheel fordate corrector D

3

4

5

Support for dial side parts screw 4

2

10

18

11

0100 469Main plate



Hour , Minute hands

Dial Small second , Date-Day calendar



1019 169Day wheel

0737 1690802 469 Date corrector wheelDay driving wheel

0970 1690802 469 Date starDate driving wheel

0022 2470125 369 Intermediate wheel for date


0240 169 0836 171Small second wheel Intermediate wheel for date

corrector holder

0962 010Intermediate wheel for date corrector C

0737 8910962 010Intermediate wheel for date corrector B

0273 169Hour wheel

12

3

16

<<VD75A>>

9

10

11

8

4Support for dial side parts screw

13


15

⇒ 1

Intermediate wheel fordate corrector D

7

17

18

14

6SII Products

18

1

2

5

6

4

Version-04VD7APARTS CATALOGUE

1 ⇒ 18

0100 469Main plate



Hour , Minute hands

Small second , Date-Day calendarDial

0022 247Support for dial side parts screw 0022 247



1019 169Day wheel

0802 469 0737 169Day driving wheel Date corrector wheel

0802 469 0970 169Date driving wheel Date star

0125 369Small second wheel bridge 0022 247

Intermediate wheel for date 0240 169 corrector holder screwSmall second wheel

0836 171Intermediate wheel for date corrector holder

0804 170

0962 0100737 891

0273 169Hour wheel

3

18

11

12

13


7

8

9

10

4

5

6

4

7SII Products

18

1

2

16

17

14

15




1 ⇒ 18

⇒ 1

<<VD76A>>

0100 470Main plate



Hour , Minute hands

Small second , 24Hour hands

Dial



0802 469Day driving wheel

0125 369Small second wheel bridge

0491 0140240 169 Dial washerSmall second wheel

0273 169 0157 169Hour wheel Small hour hand wheel

11

<<VD77A>>

7

8

9

10

3


6

8SII Products

11

1

2

4

5

⇒ 1


1 ⇒ 11

0100 469Main plate



Hour , Minute hands

Small secondDial



0125 369

0240 169Small second wheel

0273 169Hour wheel

<<VD78A>>

4

6

5


3

1

2

4

⇒

9SII Products

8


7

1


1 ⇒ 8

8

0100 469Main plate



Hour , Minute hands

Day-Date calendar handsDial


0604 1691019 169 Support for dial side partsDay wheel

0802 469 0737 169Day driving wheel Date corrector wheel

0802 469 0970 169Date driving wheel Date star

0022 247Intermediate wheel for date corrector holder screw

0836 171Intermediate wheel for date

0737 891 corrector holderIntermediate wheel for date corrector D 0962 010

0962 0100273 169Hour wheel

<<VD79A>>

12

14

7


13

8

9

4

10

16Intermediate wheel for date corrector B11

15Intermediate wheel for date corrector C

6

5

10SII Products

16

1

23

1⇒


1 ⇒ 16

0100 469Main plate



*Refer to the 12pages for the each parts codeBattery 0012 168

Battery connection (+) screw4004 162Circuit block (with coil block)

*Battery connection(+)

0281 452 4455 169Setting wheel Reset lever

0261 451 0241 4714216 169Insulator

0231 457

4146 1690221 069 Step rotor

4270 469

4239 169Stator

0391 1690125 469Train wheel bridge 0701 452

Fifth wheel and pinion *Setting lever

0384 452Yoke

0282 452Clutch wheel

0351 177

0804 169

122

1

89

3

2

7

⇒

11SII Products

10

19

22

18

11

12

13

Minute wheel and pinion


1 ⇒ 22

4

5

6

Battery connection(-)

Fourth wheel and pinion

Third wheel and pinion

Center wheel and pinion

16Train wheel setting lever

15

17

14

Intermediate wheel for date corrector A

Winding stem

21

20

*1

Main plate

*1

Remarks: Different parts for each CAL.

Parts name

* All parts code are subject to change without notice.

―4271 471

O

O

― O

O O

―

O

― ―

Battery connection(+)

4271 490 O ―2471 492 ― O

O

O

―

O

―

O

OO

O

― ―― ―

― ―― ―

―

―

12

VD78A VD79A

― ― ―

―

― ―

VD72A

―

O

― ―O O

―― ―

O

―


VD74A VD75A VD76A

―

VD77AVD73AParts codeO


O

Main Plate

Setting lever

Small second wheel

――

SII Products

― ― ―O ―

―

――

O

― ― O

―

O O

―

O―

― O―

O

―

― ―

――

OOO―

―

― ―

― OO ―

O

―― ― O ― ― ―― O ―

――

― OO―

―

―

―― ―

―

O O

O

O

― OO

――

― ―

OO ―

O O

―――

― ― O

―

O

OO

0100 4690100 4700240 1690383 891

OO O

Intermediate wheel for date corrector B


O ―

O O ―

― ― O

O0836 171

― O

O

― ―

O O0737 169

O

―

―

0962 010

―

O

O O

Date driving wheelDate star

0804 169 O

OO O

Intermediate wheel for date corrector A

O O

Date corrector wheel ―O

―1019 169

Intermediate wheel for date corrector holder O O O

O

OODay driving wheel O O O O ― O0802 469

―

Day wheel O O― OSmall hour hand wheel O ―

―― ― O ―

OSmall second wheel bridge O O0125 369 ― O

――

O ―

O O ― ― ― O―― ―

― ― ― O O ―

OSupport for dial side parts

Dial washer O

0604 1690604 1700604 1730491 014

― ―O

0157 169

0022 247

― ―― ―

O O

O

―

―Intermediate wheel for datecorrector holder screw O O O ― ― O

O ―

4271 475

0802 4690970 169

0737 891

0804 170

0962 010

4271 4734271 474

0383 1544271 470

4271 472

・The explanation here is only for the particular point of Cal.VD7A

1.REMARKS ON DISASSEMBLING 　AND　 REASSEMBLING(1)HAND

・How to install handsPlace the movement directly on a flat metal plate or the like to install the hands.

Note: How to procedure hands①Dial setting.②Install the date calendar and small second hands at the

12 o'clock position.③Pull out the crown to the second click position and rotation it clockwise the change date.④Install the day calendar and 24hour and hour and minute hands at the 12 o'clock position.

・Cal.VD77A install the 24hour hand.Pull out the crown to the second click position and rotation it clockwise to install 24hour hand.

※Cal.VD77A and VD78A not day-date calendar hands

(2)Winding stem・How to removeWhile pushing the indented portion of the arrow pull out the winding stem.

(3)Battery・How to installInsert the battery aslant in the direction shown by the arrow.Check the battery connection (+) securely touches the side face of the battery.

（４）InsulatorNotes：To insulate between the battery connection (+) Insulator

and the battery connection (-), the insulatorshould put at the three pin securely as bellow. Pin

13SII Products

Version-02VD7ATECHNICAL GUIDE

Metal plate

Push

（５）Setting position (Notes at the time of disassembling and a reassembling)・How to Date & Day driving wheels setting positionNote:

The indicator finger of a Date & Day driving wheels are setting position " ○"mark of Main plate

≪Cal.VD74A・VD75A・VD79A setting position≫

14SII Products

setting position

setting position

Date driving wheel

Day driving wheel

VD7ATECHNICAL GUIDE

≪Cal.VD76A setting position≫

Version-01

Enlargement Enlargement

*4 *4 *6*2 *1 *2

*2 *7 *7 *7*8 *8 *8

*5*3

*9 *9 *3 *9*1 *4

*1

*1 *2 *2 *1 *2*7 *7 *7

*8 *5 *8 *8*5

*3 *9 *9 *5 *9*3 *4 *4

*4 *1

*1: Hour hand *4: Date calendar hand *7: Crown at normal position *9: Second click*2: Minute hand *5: Day calendar hand *8: First click ・Time setting*3: Small second hand *6: 24Hour hand ・Date setting (Quick change function)

1.Pull out the crown to the 2.Push the crown back 3.Pull out the crown to 4.Push the crown backsecond click when the in to the normal position the first clik. in to the normal position.small second hand is at in signal. turn the crown counter-the 12 O'clock position. Pull out the crown to clockwise to set the data.

the first click . (Quick change function)Turn the crown rotation toset the day of the week.

Turn the crown to set thehour and minute handsto the time.(Check that AM / PM isset correctly)

*Do not set the date between 10:00 PM and 2:00 AM Otherwise, the day may not change properly. If it is necessary to set the date during that time period, First change the time to any time outside it, set the date and then reset the correct time.

15SII Products

TIME SETTING

≪VD72A≫ ≪VD73A≫

≪VD75A≫ ≪VD76A≫

≪VD74A≫

≪VD79A≫

Version-03VD7AOPERATION

DISPLAY AND CROWN OPERATION

Note:

Note:*1: Hour hand

*4 *2 *2: Minute hand*2 *5 *3: Small second hand

*1 *1 *4: 24Hour hand*5: Crown at normal position*6: First click

*3 *5 *6 *3 *6 ・Time setting

Crown

1.pull out the crown to the 2.Turn the crown to set 3.Push the crown back insecond click when the the hour and minute to the normal position insmall second hand is at hands to the time. accordance with a timethe 12 O'clock position. (Check that AM / PM is signal.

set correctly)

Notes in time setting of Cal.VD7 seriesWhen time setting is done with counterclokwise, date hand might be reversed.The function, there is no problem.Please set the date by using the quick change function when the date shown was incorrect.

OPERATION

16SII Products

DISPLAY AND CROWN

TIME SETTING

≪ＶＤ７７Ａ≫ ≪ＶＤ７８Ａ≫

Version-02VD7A

cal.vd7series · parts catalogue / technical guide 24hour hand (12h) cal. no. vd74a item small...

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