Seiko 6T63A - Chronograph Function Setting Procedures; Switch Lever Setting Instructions

TECHNICAL GUIDE
Cal. 6T63A
13/19
●
Remarks for setting position of the spring of chronograph function
Lower plate for
chronograph bridge
28
Hammer operating
lever A
26
Train wheel stop lever
25
Chronograph coupling
lever
19
Hammer operating
lever B
20
Hammer
21
*2
*3
*4
*1
*1
*2
*3
*4
Setting position
●
Remarks for setting position of the SWITCH LEVER A and B
*1 *2
Chronograph
coupling lever
Hammer operating
lever A
Switch spring
Switch lever B
Switch lever A
Switch spring
*2
*1
Enlarged view
Switch lever B is set between the switch
spring and hammer operating lever A .
Switch lever A is set between the switch
spring and chronograph coupling lever.