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PARTS CATALOGUE
7
Framework for automatic device
22 Hour wheel
61 Second wheel pinion
70 Center wheel and pinion
• Discrimination of the hand installation height
Cal. 4S77A watches have numerals printed on the dial and movement to indicate the hand installation
height. When repairing, refer to the tables below.
Discrimination
Numeral for
discrimination
Printed on
Printed position
Numeral for
discrimination
automatic device
1
(short type)
77 Winding stem
The type of winding stem is determined based on the design of cases. Check the case number and refer to
"SEIKO Casing Parts Catalogue" to choose a corresponding winding stem.
Height
Ex.) Short type
Please see the rightmost
numeral printed on the dial.
Center wheel and
Framework for
pinion with cannon
0191 270
0354 132
Short type
1
Dial
Second wheel
pinion
pinion
0224 288
0245 017
Movement
Ex.) Short type
Please see the numeral
printed on the movement.
Hour wheel
0271 487
Cal. 4S77A
7
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