Seiko Caliber 2P21 Technical informationWatches with the 2P21 movement2P21-00102P21-001A2P21-00202P21-00302P21-00402P21-00502P21-00602P21-00702P21-00802P21-00902P21-009A2P21-01002P21-01102P21-011A2P21-01402P21-01502P21-01602P21-01702P21-01802P21-01902P21-02002P21-02302P21-02502P21-02602P21-02702P21-02802P21-02902P21-03002P21-03102P21-0A102P21-0A202P21-0A302P21-0A402P21-0A502P21-0A602P21-0A792P21-0A802P21-0A902P21-0A9A2P21-0A9B2P21-0A9C2P21-0A9E2P21-0B002P21-0B102P21-0B202P21-0B302P21-0B402P21-0B502P21-0B602P21-0B6A2P21-0B702P21-0B802P21-0B902P21-0C002P21-0C102P21-0C202P21-0C602P21-0C702P21-0C902P21-0D002P21-0D102P21-0D202P21-0D302P21-0D402P21-0D502P21-0D602P21-50002P21-50092P21-50102P21-50202P21-50302P21-50402P21-504A2P21-50502P21-505A2P21-50702P21-50802P21-50902P21-51002P21-510A2P21-51102P21-511A2P21-51202P21-51302P21-51402P21-51502P21-51602P21-51702P21-51802P21-51902P21-52002P21-520A2P21-52102P21-521A2P21-52202P21-52302P21-523A2P21-52402P21-52902P21-53002P21-53102P21-53202P21-53302P21-53402P21-53602P21-536A2P21-536B2P21-53702P21-53802P21-5A002P21-5A102P21-5A122P21-5A292P21-5A402P21-5A502P21-5A5A2P21-5A602P21-5A702P21-5A802P21-5A902P21-5B002P21-5B102P21-5B202P21-5B302P21-5B402P21-5B502P21-5B602P21-5B702P21-5B7A2P21-5B802P21-5B902P21-5C002P21-5C102P21-5C202P21-5C302P21-5C3A2P21-5C402P21-5C502P21-5D002P21-5D102P21-5D202P21-5D302P21-5D402P21-5D4A2P21-5D802P21-5D902P21-5D9A2P21-5D9B