Seiko Caliber 2320 Technical information (Japan)Technical information (World)Watches with the 2320 movement2320-00102320-00202320-00212320-00302320-00312320-00382320-00392320-00402320-00502320-00512320-00582320-00592320-00602320-00702320-00802320-00902320-01002320-01092320-01102320-01202320-01292320-01402320-01502320-01702320-01792320-01802320-01902320-02002320-02102320-021A2320-02202320-02302320-02402320-02502320-02602320-02702320-02902320-03092320-03192320-03202320-03302320-03402320-03592320-03692320-03702320-03802320-03902320-04002320-04102320-04192320-04202320-50002320-50102320-50202320-50302320-50402320-50502320-50602320-50702320-50802320-50902320-51002320-51102320-51192320-51202320-51212320-51292320-51302320-51402320-51502320-51592320-51602320-51692320-51702320-517A2320-51802320-51902320-52002320-520A2320-52102320-52192320-52202320-52292320-52302320-52402320-52502320-52602320-52692320-52702320-52802320-52902320-53002320-53092320-53102320-53202320-53302320-53402320-53502320-53592320-53602320-53702320-53802320-53902320-54002320-54102320-54202320-54302320-54392320-54402320-54492320-54502320-54702320-54802320-54892320-54902320-55202320-55302320-55402320-55492320-55502320-55602320-55702320-55892320-55902320-559A2320-56002320-56102320-56202320-56302320-56392320-56402320-56492320-56502320-56602320-56702320-56802320-56902320-57202320-57302320-57402320-574A2320-574B2320-57502320-57602320-57702320-57802320-57902320-58002320-58092320-580A2320-58102320-58192320-581A2320-58202320-58302320-58402320-58492320-58502320-58592320-58602320-58702320-58792320-587A2320-58802320-58892320-588A2320-59002320-59102320-59202320-59302320-59402320-59502320-59602320-59692320-59902320-60002320-60102320-60202320-60292320-60302320-60392320-60402320-60502320-60592320-60602320-60702320-60902320-60992320-61002320-61102320-61202320-61292320-61302320-61392320-61402320-61502320-61602320-61702320-61802320-61902320-62002320-62102320-62202320-62302320-62402320-62502320-63402320-63492320-63502320-63602320-63702320-63802320-63982320-63992320-64092320-64192320-64302320-64402320-64692320-64792320-64902320-65002320-65102320-65192320-65202320-65302320-65402320-65492320-65592320-65792320-65802320-65902320-65992320-66002320-66102320-66202320-66302320-66402320-66502320-66602320-66702320-66802320-67002320-67102320-67302320-67402320-67502320-675A2320-67602320-676A2320-67702320-67802320-678A2320-679A2320-68002320-680A2320-68102320-68202320-68302320-68402320-68502320-68602320-68692320-68702320-68802320-68902320-69002320-69102320-69202320-69302320-7179