Seiko 8T63A Technical Manual page 12

TECHNICAL GUIDE
● Remarks for the lubrication
21
Hammer
There must be oil within the range of the arrow.
28 Lower plate for chronograph bridge
*1
*1
16
Switch spring
*Oiling spot and spring setting position.
19 Chronograph coupling lever
*2
*Oiling should be done on the contact spot of the spring and the pin.
*1
*2
*3
Type of oil
AO-3
AO-2
S-6
Note
*1
Setting position
16 Switch spring
12/19
Oil quantity mark
SMALL QUANTITY
NORMAL QUANTITY
LIBERAL QUANTITY
*1: Oiling should be done on the
pointed spot of marked place.
20 Hammer operating lever B
*3
Cal. 8T63A