Seiko 7T04A - Page 15

TECHNICAL GUIDE
Cal. 7T04A
15/21
MINUTE COUNTING
WHEEL
0902500
40
39
MINUTE COUNTING
INTERMEDIATE WHEEL
0950590 (white plastic)
34
THIRD WHEEL
0231580
33
FOURTH WHEEL
0241583
31 SECONDS COUNTING
WHEEL 0888501
32
SMALL SECONDS
WHEEL
0240511
35
FIFTH WHEEL
0701581
0885590
22
SECOND COUNTING
1ST INTERMIDIATE
WHEEL (White plastic)
31
SECONDS COUNTING
2ND INTERMIDIATE
WHEEL (Green plastic)
0885591
0261 580
38
MINUTE WHEEL
(white plastic)
55
SPACER FOR
CENTER WHEEL
4283581
46
ROTOR
4146710
45
ROTOR FOR
MINUTE COUNTING
4146710
ROTOR FOR SECONDS
COUNTING
4146710
48
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Gear train mechanism
• Setting position and lubricating