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