Seiko 8T63A Technical Manual page 13

TECHNICAL GUIDE
● Remarks for setting position of the spring of chronograph function
28 Lower plate for
chronograph bridge
21
Hammer
20
Hammer operating
lever B
*1
● Remarks for setting position of the SWITCH LEVER A and B
Switch spring
*1
Switch lever B is set between the switch
spring and hammer operating lever A .
*4
*3
*2
Setting position
*1
Enlarged view
Switch lever B
Switch lever A
Hammer operating
lever A
Chronograph
coupling lever
13/19
25 Train wheel stop lever
*2
*1
19
*3
*2
Switch lever A is set between the switch
spring and chronograph coupling lever.
Cal. 8T63A
26 Hammer operating
lever A
Chronograph coupling
lever
*4
Switch spring
*2