Seiko Caliber 9531 No technical information found for this movement.Watches with the 9531 movement9531-50009531-50109531-50209531-50309531-50409531-50509531-50609531-50709531-50809531-50909531-51009531-51109531-511A9531-51209531-51309531-513A9531-51409531-51509531-51609531-51709531-60009531-60109531-60209531-602A9531-60309531-60339531-603A9531-603B9531-603C9531-603E9531-603F9531-603J9531-603K9531-603L9531-603N9531-60409531-60509531-60609531-60709531-7000