While you wait for answers, we may have found some information which could help you.
Click here for Operated Clock Yearsseiko d cell powered wall clock has stopped working?
Seiko Quartz Chiming Wall Clock Ref QQX216B Cal.12104 ?
Seiko Quartz Clock 1980's model Table ?
Different times on wall clock when placed in different rooms?
How can I make my Seiko QQX216B chime???
why the short hand stops ?