Seiko 7T32B Quick start guide

Cal. 7T32B

Cal. 7T42B

Outside diameter

(x 1.0)

[SPECIFICATIONS]

7T32B 7T42B

Cal. No.

Item

Movement

The illustrations refer to Cal. 7T32B.

ø27.6mm

24.0mm between 3 o’clock and 9 o’clock sides

ø27.0mm

24.0mm between 3 o’clock and 9 o’clock sides

Casing diameter

3.1mm (3.2mm including the battery portion)Height

Movement size

mralAhctawpotSemitniaMnoitacidniemiT Timer (for Cal. 7T42B)

Hour, minute

and small

second hands

Minute and

1/5-second

hands

Small hour and

minute hands

Minute and second hands

(Stopwatch 1/5-second

and minute hands)

Driving system Step motor, 4 pieces

•Electronic circuit reset switch

•Train wheel setting device

•Battery life indicator (Small second hand moves at two-second intervals.)

•Date calendar

•Instant setting device for date calendar

•Stopwatch function (Up to 30 minutes in 1/5 seconds)

•Accumulated elapsed time measurement

•Split time measurement

•Timer function (Up to 60 minutes in minutes)

•Alarm function (12-hour indication system)

•Alarm test system

Additional mechanism

Monthly rate at normal temperature range: less than 15 secondsLoss/gain

NilRegulation system

Measuring gate by quartz tester

SEIKO SR927W, Maxell SR927W, SONY SR927W, EVEREADY 399

Battery life is approximately 2 years.

Voltage: 1.55V

Battery

0 jewelJewels

PARTSCATALOGUE/TECHNICALGUIDE

Use 10-second gate.

Cal. 7T32B

1 →79

79 →1

4589 801

Parts Catalogue

Case back

Case back gasket

Case ring (Cal. 7T32B)

Piezoelectric element

Button spring clip

Button C

Button B

Winding stem for alarm

Button spring Button A Winding stem

Stopwatch second

hand/Timer minute hand

Minute hand

Hour hand

Small second hand

Stopwatch minute hand/Timer

hand

second

Alarm minute hand

Alarm hour hand

Dial

Holding ring for dial

Silicone Oil 500,000 c.s.

Please see the remarks on the following pages.

SEIKO Watch Oil S-6 Extremely small

MoebiusA Normalquantity

Lubricating:Typesofoil Oilquantity

DisassemblingproceduresFigs.:

ReassemblingproceduresFigs.:

Cal. 7T32B

Please see the remarks on the following pages.

Battery clamp screw

　0022 230

Parts Catalogue

0878 527

0808 580

0027 973

0271 580 (1)

0271 588 (2)

0271 583

0802 580

0737 580

0962 580

0022 230

4225 714

0022 459

0396 580

4000 710

30 Battery

4457 726

37 Pin for train wheel bridge

0027 974

0125 590

39 Second-counting wheel

0888 580 (1)

0888 582 (2)

49 Intermediate minute-

counting wheel 0950 590

Circuit block cover

screw

　0022 459

51 Intermediate alarm wheel

0950 590

50 Minute-counting

wheel　0902 580

52 enter minute wheel

for alarm　0270 580

53 Minute wheel for alarm

0261 582

54 Setting wheel for alarm

0281 582

48 Setting wheel　0281 580

47 Minute wheel　0261 580

46 Second intermediate wheel

0885 591

45 First intermediate wheel

0885 590

44 Fifth wheel and pinion

　0701 580

43 Third wheel and pinion　

0231 580

42 Fourth wheel and pinion

0241 583

41 　Small second wheel

0240 580

40 Spacer for center wheeland

4246 700

36 Battery connection (–)

4270 710

Pin for date dial guard

Date dial guard

Date dial

Intermediate wheel

for calendar correction

Date corrector setting

wheel

Date driving wheel

Hour wheel for alarm

Hour wheel

Battery clamp screw

Battery clamp

Circuit block cover screw

Circuit block cover

Friction spring for

second-counting

Circuit block

Buzzer lead terminal

Train wheel bridge

pinion 4283 581

for second-counting

Cal. 7T32B

部品カタログ

55 Step rotor　4146 710

56 Chronograph rotor for second

　4146 710

57 Alarm rotor 4146 710

58 Chronograph rotor for minute

　4146 710

59 Coil block　4002 700

60 Coil block for chronograph

second 4002 700

61 Coil block for alarm

4002 711

62 Coil block for chronograph

minute

4002 711

63 Switch lever A

4450 710

64 Setting lever for alarm

0383 591

65 Setting lever

0383 592

66 Winding stem for alarm

0351 580

67 Clutch wheel for alarm

0282 582

68 Yoke

0384 580

69 Winding stem

0351 580

70 Clutch wheel

0282 580

71 Train wheel setting lever

0391 591

72 Rotor stator

4239 710

73 Rotor stator for chronograph second

4239 711

74 Rotor stator for alarm

4239 712

75 Rotor stator for chronograph minute

4239 713

76 Center wheel and pinion

0221 580 (1)

0221 583 (2)

77 Switch lever C

4450 702

78 Switch lever B

4450 701

79 Main plate

0100 590

Please see the remarks on the following pages.

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