Seiko Caliber 1230 Technical informationWatches with the 1230 movement1230-00191230-00291230-00391230-00491230-00691230-00791230-00891230-00991230-01091230-0A191230-0A291230-0A391230-0A491230-50091230-50291230-502H1230-50391230-50491230-50591230-50691230-50791230-51291230-51391230-51491230-51591230-51691230-51791230-51891230-51991230-52191230-521H1230-52391230-52491230-52591230-52691230-52791230-52891230-52991230-529H1230-53091230-53191230-531H1230-53291230-532H1230-53491230-53591230-53891230-538H1230-53991230-54191230-54291230-54391230-54491230-54591230-54691230-54791230-54891230-548H1230-54991230-55091230-55191230-55291230-55491230-55691230-55791230-55891230-558H1230-55991230-56091230-560H1230-56191230-56291230-562H1230-56391230-56491230-56591230-56691230-566H1230-56791230-56891230-56991230-57091230-57191230-57291230-572H1230-57491230-57591230-57691230-57891230-57991230-58091230-58191230-581H1230-58291230-58391230-58491230-58591230-58691230-58791230-58891230-58991230-5909