Time Module VD37, VD38 Technical Manual & Parts Catalogue

Revised on : 23. Jun. 2017

SII Products

ANALOGUE QUARTZ

TECHNICAL GUIDE

&

PARTS CATALOGUE

Cal.VD37&VD38

[SPECIFICATION]

*Cal VD38

・・・

・・・・・・

・・・

Cal.VD37 without calendar

Outside diameter φ 29.50 mm × 26.00 mm (3H-9H)

Casing diameter φ 28.80 mm

3 Hands ( Hour , Minute , Second )
Dual time of 24 hour regulator hand
Dual time of 12 hour regulator hand
Dual time of 60 minute regulator hand , Calendar (Cal.VD37 only)
Two pole stepping motor
Step motor 3 pieces
Electronic circuit reset switch
Second setting device
Date setting (Cal.VD37 only)
Time difference correction
[ Time ]

Indicated by Hour , Minute , Second
Dual time of 24 hour regulator , dual time of 12 hour regulator , and
dual time of 60 minute regulator hands

[ Dual time of 24 hour regulator , dual time of 12 hour regulator , and
dual time of 60 minute regulator ] ±1hour / push

SR920SW (Silver oxide battery)
Battery life is approximately 2 years
Use 10-second gate
*Set the winding stem with crown at the normal position
0 Jewel

+1hour/push Time difference correction

-

Buttons

Antimagnetic

Button B

VD37 VD38

Free
Free

Date setting

Time setting with stop-second device

Time setting with stop-second device

Normal position

Crown
position

Button A

Second click

Free

Movement

Movement

size

1

SII Products

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

≧

1600A/m

Jewels

Measuring gate by

quartz tester

Battery

Accuracy

First
click

Left rotation
Right rotation

-1hour/push Time difference correction

Additional mechanism

Cal.

PARTS CATALOGUE / TECHNICAL GUIDE

Cal. No.

Item

Cal.VD37&VD38

Version-01

VD37&VD38

Time indication

Driving　System

Cal.VD37...4.57 mm
Cal.VD38…3.97 mm

Total height

0012 079

0808 368 …Cal.VD37 only Auxiliary train wheel bridge screw
Date dial guard

Date dial …Cal.VD37 only
Refer to page 5 for each parts code

Auxiliary train wheel bridge
24 hours wheel Refer to page 5 for each parts code
Refer to page 5 for
each parts code

0810 368 …Cal.VD37 only

0885 002 Date jumper
Intermediate 24 hours
wheel 0802 368 …Cal.VD37 only

Date driving wheel

0806 368 …Cal.VD37 only 0817 368 …Cal.VD37 only
Date corrector wheel Intermediate date driving wheel

0737 891 …Cal.VD37 only 0836 369 …Cal.VD37 only
Intermediate wheel Intermediate wheel for date
for date corrector (D) corrector holder

0962 891 …Cal.VD37 only

0886 003
Intermediate 12 hours
wheel (B) 0962 891 …Cal.VD37 only

12 hours wheel

Refer to page 5 for
each parts code

0885 002
0886 001
Intermediate 12 hours
wheel (A)

Hour wheel Small minute wheel
Refer to page 5 for Refer to page 5 for
each parts code each parts code

2

18

PARTS CATALOGUE

Version-02

VD37&VD38

1

7

6

11

16

Intermediate wheel for date corrector (B)

3

12

10

Intermediate wheel for date corrector (C)

Intermediate 24 hours wheel

SII Products

2

20 19

17

15

4

13

9

85

14

Type of oil Oil quantity mark

Moebius 9010 NORMAL QUANTITY
Moebius 9030 SUFFICIENT QUANTITY

Disassembling procedures Figs.

53

⇒

1Reassembling procedures Figs.

1

⇒

53

Battery

Winding stem

Cal.VD37 …0351 177
0012 079 Cal.VD38 …0351 178
Switch spring screw

0012 079

Switch spring screw

Switch spring
Cal.VD37 …4250 100
Cal.VD38 …4250 102

4004 333

Circuit block

4270 358
Battery connection (-)

0012 079
0012 079 Train wheel bridge (B) screw
Train wheel bridge (B) screw

0125 331 0125 331
Train wheel bridge (B) Train wheel bridge (B)

0701 014 4146 177
Fifth wheel and pinion (B) Step rotor (B)

4146 177
Step rotor (B) 4002 923

Coil block (B)

4002 923
Coil block (B) 4239 357

Rotor stator (B)
4239 357
Rotor stator (B)

0701 014
Fifth wheel and pinion (B)

*All parts code are subject to changewithout notice.

30

31

29

SII Products

3

38

36

37

28

27

32

PARTS CATALOGUE

35

26

23

23

24

25

Version-03

VD37&VD38

21

22

34

33

Type of oil Oil quantity ma rk

Moebius 9010 NORMAL QUANTITY
Moebius 9030 SUFFICIENT QUANTITY