
TECHNICAL GUIDE
8T67A
Remarks:
●
How to find the correct parts, if not determined by 4 digit caliber number.
Please refer to the following table in order to find the correct part number of each wheel according to the hand
installation height. The numeral 2 or 4 is printed on the DIAL.
Caliber code
8T6720A
8T6740A
No Parts name
Parts code
Parts code
⑧
Hour wheel
0273 038
0273 042
⑯
Switch spring
4250 088 (marking "2")
4250 090 Marking
"4"
㉒
Second counting wheel
0888 028
0888 029
㉓
Minute counting wheel
0902 017
0902 018
㉔
Hour counting wheel
0902 017
0902 018
㊿
Center wheel and pinion
0221 087
0221 092
Second wheel
0240 018
0240 019
③
Date indicator
Parts code
Crown
Date
Color of
Color of
position
Position
figure
background
0878 328
3H
3H
Black
White
0878 329
3H
3H
White
Black
* All parts code are subject to change without notice.
8/20
5
REMARKS ON DISASSEMBLING AND REASSEMBLING THE MOVEMENT