Seiko 6N76A - Movement Function Check Procedures

TECHNICAL GUIDE
Cal. 6N76A
16/18
REMaRKs oN iNsPEctioN aND MEasUREMENt
Operation Function Checkpoint
Pull out the
crown to the 2nd
click and push it
back in to the
normalposition.
Repeat the same
several times.
Setting mechanism
- switching the
function of the time
setting
Make sure that it has
a click at each
position and the
stem is not pulled
off.
Pull out the
crown to the 1st
click, then turn it.
Calendar
mechanism
- correcting the date
(and day), if available
Make sure that the
date (and day)
changes smoothly.
Pull out the
crown to the 2nd
click, then turn it.
Setting mechanism
- hour and minute
hand setting
Make sure that the
hour and minute
hands move
smoothly (without
touching each other
or touching the
surface of the dial or
inside of the glass).
Hands installation
Calendar
mechanism - date
change
Make sure that the
date changes when
the hour and minute
hands pass around
midnight.
●
Function check
Note:
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