Seiko 7T32B Quick start guide

1
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.

2
Cal. 7T32B
1 →79
79 →1
7
8
6
5
4589 801
3
18
Parts Catalogue
9
10
2
1
4
11
12
13
14
15
16
17
19
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.:

3
Cal. 7T32B
Please see the remarks on the following pages.
Battery clamp screw
0022 230
Parts Catalogue
22
0878 527
21
0808 580
20
0027 973
27
0271 580 (1)
0271 588 (2)
26
0271 583
25
0802 580
24
0737 580
23
0962 580
28
0022 230
29
4225 714
31
0022 459
33
0396 580
34
4000 710
30 Battery
32
4457 726
37 Pin for train wheel bridge
0027 974
38
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
35
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
for second-counting

4
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.