Seiko 3M62A Parts Catalogue /technical Manual

1

[SPECIFICATIONS]

Cal. No.

Item

3M62A

Movement

(x 1.0)

Additional mechanism • Automatic generating system

• Power reserve indicator

• Energy depletion forewarning function

• Overcharge prevention function

• Electronic circuit reset switch

• Train wheel setting device

• Date calendar

• Instant setting device for date calendar

Driving system Step motor (Load compensated driving pulse type)

Loss/gain Monthly rate at normal temperature range: less than 15 seconds
Regulation system

Nil

Measuring gate by quartz tester Use 10-second gate.
Power

supply

Automatic generating systemPower generator

PARTS CATALOGUE / TECHNICAL GUIDE

Cal. 3M62A

Movement
size

Outside diameter ø24.0 mm

Casing diameter ø23.3 mm

Height 4.2 mm

Time indication 3 hands

Operating voltage range 0.45 V ~ 2.2 V
Duration of charge

From full charge to stoppage: Approx. 2 months

Jewels 7 jewels

KINETIC E.S.U. Titanium lithium ion rechargeable battery

2

PARTS CATALOGUE

Disassembling procedures Figs. : 1 → 50
Reassembling procedures Figs. : 50 → 1

Lubricating: Types of oil Oil quantity

Moebius A Normal quantity
Moebius F
SEIKO Watch Oil S-6

➡

Please see the remarks on the following pages.
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.

Cal. 3M62A

0012 354

• Rechargeable battery clamp screw
(2 pcs.)

• Circuit block cover B screw(2 pcs.)

• Circuit block cover A screw(3 pcs.)

• Oscillating weight bridge screw
(2 pcs.)

• Plus lead terminal screw (1 pc.)

• Setting lever spring screw (1 pc.)

0022 490

• Oscillating weight screw (1 pc.)

1 Hour, minute and

second hands

2 Dial

4 0012 766

Date dial guard screw

5 0808 550

Date dial guard

8 0802 622

Date driving wheel

6 Date dial

9 0271 555

Hour wheel

7 0810 550

Date jumper

3 0491 735

Dial washer

0012 766

• Date dial guard screw (3 pcs.)

3

PARTS CATALOGUE

Cal. 3M62A

➡

Please see the remarks on the following pages.
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.

12 1002 550

Oscillating weight wheel

13 0012 354

Rechargeable battery clamp screw

16 0012 354

Circuit block cover B screw

15 4216 555

Insulator A for rechargeable battery

17 4457 870

Circuit block cover B

18 4216 556

Insulator B for rechargeable battery

19 3027 49Z

Rechargeable battery unit

20 0012 354

Circuit block cover A screw

21 4457 791

Circuit block cover A

14 4225 501

Rechargeable battery clamp

10 0022 490

Oscillating weight screw

11 0500 550

Oscillating weight

22 0012 354

Oscillating weight bridge screw

23 0198 550

Oscillating weight bridge

24 4000 733

Circuit block

25 1002 551

Intermediate wheel for generating rotor

26 4146 561

Generating rotor

27 4271 516

Rechargeable battery connection (+)

4

PARTS CATALOGUE

Cal. 3M62A

➡

Please see the remarks on the following pages.
Lubricating of some parts is shown in “II. REMARKS ON DISASSEMBLING AND REASSEMBLING”.

28 0012 354

Plus lead terminal screw

30 0125 550

Train wheel bridge

31 0241 897

Fourth wheel and pinion

32 0701 550

Fifth wheel and pinion

33 0231 880

Third wheel and pinion

34 0261 880

Minute wheel

35 0281 890

Setting wheel

36 4146 560

Step rotor

37 0221 888

Center wheel and pinion

38 4002 560

Coil block

29 4242 550

Plus lead terminal

39 4002 561

Generating coil block

40 4239 561

Generating stator

41 4450 675

Switch lever

42 0012 354

Setting lever spring screw

44 0383 550

Setting lever

45 0384 550

Yoke

46 0391 550

Train wheel setting lever

47 4239 560

Rotor stator

49 0282 555

Clutch wheel

50 0100 550

Main plate

48 Winding stem

43 0388 550

Setting lever spring