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1
Cal. 7T32BCal. 7T42B
Outside diameter(x 1.0)
[SPECIFICATIONS]
7T32B 7T42BCal. No.ItemMovement
The illustrations refer to Cal. 7T32B.ø27.6mm24.0mm between 3 o’clock and 9 o’clock sides
ø27.0mm24.0mm between 3 o’clock and 9 o’clock sides
Casing diameter
3.1mm (3.2mm including the battery portion)Height
Movement size
mralAhctawpotSemit niaMnoitacidni emiT Timer (for Cal. 7T42B)Hour, minuteand smallsecond hands
Minute and1/5-secondhands
Small hour andminute hands
Minute and second hands(Stopwatch 1/5-secondand 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 399Battery life is approximately 2 years.Voltage: 1.55V
Battery
0 jewelJewels
PARTS CATALOGUE / TECHNICAL GUIDE
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 springButton A Winding stem
Stopwatch second
hand/Timer minute hand
Minute hand
Hour hand
Small second hand
Stopwatch minute hand/Timerhand 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-6Extremely 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 coverscrew
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 wheelfor calendar correction
Date corrector settingwheel
Date driving wheel
Hour wheel for alarm
Hour wheel
Battery clamp screw
Battery clamp
Circuit block cover screw
Circuit block cover
Friction spring forsecond-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.