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Seiko 7T04A Technical Manual page 8

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PARTS LIST
● How to find the correct parts, if not determined by 4 digit calibre number
Following parts are determined based on the design of watches, such as hands height, dial
color, and design of cases. Please refer to the SEIKO WATCH PARTS CATALOGUE in order to
choose corresponding parts.
53
SETTING STEM
• For screw down crown models, the stem is assembled to the crown and is not available
separately.
● How to discriminate resembled parts
Refer to the illustrations below to see the difference between those two types of pins.
15
PIN FOR 24 HOUR WHEEL PLATE
0027973
27
CIRCUIT BLOCK
The circuit block (4000564) for Cal.7T11A is also used for Cal. 7T92A.
* The holes for discrimination are intended to discriminate among
the circuit blocks for Cal. 7T04A, Cal. 7T11A, Cal. 7T62A, Cal.
7T92A and Cal. 7T94.
* After Cal. 7T11A was launched, in order to commonize the circuit
block to Cal.7T92A, the shape of the circuit block was changed.
The old circuit block (4000 518) for Cal.7T92A is usable only for
Cal.7T92A. The new circuit block (4000 564) is usable for Cal.
7T11A and Cal. 7T92A.
(0351583)
32
4000727
CAL. 7T11A, CAL.7T92A
Hole
/21
PIN FOR TRAIN WHEEL BRIDGE
0027974
No hole
Hole
Cal. 7T04A
CAL. 7T62A
CAL. 7T04A
CAL. 7T94A
Hole

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