INSTRUCTION　 　　　English Manual 　　 　　　 　　　　CASIO 　　https://www.casio.com/intl/support/watches/manual/ 　　 　CITIZEN 　　https://www.citizenwatch-global.com/support/guide/manual.htm 　　　Service Center 　　　CASIO　　 　https://world.casio.com/support/ 　　　CITIZEN　　https://www.citizenwatch-global.com/network/index.html 　　OUR　RECOMMENDED　SITE 　　　Following siteｓ are very helpful to us in forming this web. 　　　We are very thankful for the following those sites. 　　　WATCH FORUM 　　　Watchuseek　Watch Forum G-SHOCK 　　　Watchuseek　Watch Forum CITIZEN 　　　JAPANESE WATCH MAKER 　 　　CITIZEN 　 　CASIO