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3

PARTS CATALOGUE

61

Main plate
0100 421 (4205B/4206B)
0100 423 (4207B/4208B)
0100 430 (4225A/4227A)

Diashock

60

Winding stem

59

0283 421
Winding pinion

58

0282 422
Clutch wheel

57

0390 420
Setting lever axle

56

0383 420
Setting lever

55

0384 420
Yoke

54

0388 421
Setting lever
spring

53

0012 484
Setting lever
spring screw

Dial leg pin

51

0251 421
Escape wheel and
pinion

50

0121 420
Center wheel bridge

0540 421
Dial leg holder

49

0012 485
Center wheel
bridge screw

48

0105 420
Lower plate for
balance cock

47

0542 421
Locking seat for idle
wheel

45

0363 420
Sliding crown
wheel spring

46

0237 421
Intermediate
ratchet wheel

44

0012 484
Screw for locking
seat for idle wheel

43

0241 421
Fourth wheel and
pinion

41

Second wheel
pinion

42

0231 421
Third wheel and
pinion

40

0201 420
Complete barrel
with mainspring

39

0285 420
Ratchet wheel

38

0381 420
Click

37

0112 430 (Cal. 4205B, 4206B)
0112 432 (Cal. 4207B, 4208B, 4225A, 4227A)
Barrel and train wheel bridge

36

0396 420
Friction spring for second
wheel pinion

34

0012 485
Barrel and train wheel bridge
screw (B)

35

0012 484
Barrel and train wheel bridge
screw (A)

52

Center wheel with
cannon pinion

Please see the remarks on the following pages.

Cal. 4205B, 4206B, 4207B, 4208B, 4225A, 4227A

Summary of Contents for 4205B

Page 1: ...ns per hour 21 600 6 beats per second Additional mechanism Automatic winding Jewels 17 jewels 21 jewels The illustrations refer to Cal 4206B x 2 0 4227A 4207B 4205B Cal No Item SPECIFICATIONS Date cal...

Page 2: ...17 0261 422 Minute wheel 16 Hour wheel 15 0972 423 Day date corrector finger 14 0810 420 Date jumper 13 0811 420 Date jumper spring 12 Date dial 11 0808 423 Date dial guard 10 0873 422 Day jumper 9 00...

Page 3: ...421 Locking seat for idle wheel 45 0363 420 Sliding crown wheel spring 46 0237 421 Intermediate ratchet wheel 44 0012 484 Screw for locking seat for idle wheel 43 0241 421 Fourth wheel and pinion 41...

Page 4: ...485 0011 752 Upper hole jewel for center wheel and pinion Lower hole jewel for center wheel and pinion 0011 528 Upper hole jewel for escape wheel and pinion Lower hole jewel for escape wheel and pinio...

Page 5: ...r to SEIKO Watch Parts Catalogue CD ROM to choose a corresponding holding ring for dial Remarks 3 Holding ring for dial Other parts 0341 432 Regulator Part No Name 0014 414 Diashock lower frame 0014 4...

Page 6: ...0271 425 0225 427 0225 422 0245 427 0245 421 2 0224 421 0224 427 1 60 Winding stem 0351 420 The type of winding stem is determined based on the design of cases Check the case number and refer to SEIKO...

Page 7: ...n insert something with a sharpened tip through the hole of the framework for automatic device with ball bearing and move the tip of the pawl lever sideways so that the lever and the transmission whee...

Page 8: ...ng seat for idle wheel 2005 05 TECHNICAL GUIDE 15 Day date corrector finger 14 Date jumper 13 Date jumper spring 56 Setting lever 55 Yoke Setting position Day date corrector finger Setting lever Yoke...

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