Function Check - Seiko 7D56A Technical Manual

Technical guide
l Function check
Operation
Pull out the
crown to the 2nd
click and push it
back in to the
normal
position. Repeat
the same several
times.
Pull out the
crown to the 1st
click, then turn it.
Pull out the
crown to the 2nd
click, then turn it.
Function
Setting mechanism -
switching the
function of the time
setting
Calendar
mechanism -
correcting the date
Second hand stop
function
Setting mechanism -
hour and minute
hand setting
Hands installation
Calendar
mechanism - date
change
38/44
Cal. 7D56A
Checkpoint
Make sure that it has
a click at each
position and the
stem is not pulled
off.
Make sure that the
date changes
smoothly.
Make sure that the
second hand stops
when the crown is
pulled out to the 2nd
click.
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).
Make sure that the
date changes when
the hour and minute
hands pass around
midnight.