Seiko 5M84A - Technical Guide - Crown Operations and Checks; Time Setting and Stem Check; Date and Day Setting Check; Second Hand Stop Function Check

Cal. 5M84A
19/21
TECHNICAL GUIDE
Operation Function Checkpoint
MON
TUE
WED
THU
FRI
SAT
SUN
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.
MON
TUE
WED
THU
FRI
SAT
SUN
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.
MON
TUE
WED
THU
FRI
SAT
SUN
Pull out the
crown to the 2nd
click*,thenturn
it.
Secondhandstop
function (if available)
Make sure that the
second hand stops
when the crown is
pulled out to the 2nd
click.
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.
• If the watchdoesnot havecalendarmechanism, checktheﾓsame with the crown at the 1st click
position.