The Seiko 5H23-8020 is a watch model based on the 5H23 movement.
Parts List
| 295P05LN | crystal |
| 295P05HN03 | crystal |
| 295P05LN03 | crystal - crystal (inorganic) |
| 295W41LN00 | crystal |
| 295W41LN00. | crystal |
| 35ME9NA1 | crown |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| FE298BA1 | case back gasket |
| FE298BA13 | case back gasket - case back gasket |
| 86170561 | crystal gasket - plastic gasket for crystal |
| 86170500 | bezel gasket - plastic gasket for bezel |
| Z1325C | band - metal band |
| Z1325C-LKG | band - link |
| Z1325D | band - metal band |
| Z1325D-LKG | band - link |
| Z1325G | band - metal band |
| Z1325G-LKG | band - link |
| Z1325H | band - metal band |
| Z1325H-LKG | band - link |
| Z1325H-PB1 | clasp - parts for buckle/clasp |
| Z1325H-BK1G | clasp - clasp |
| Z1325G-PB1 | clasp - parts for buckle/clasp |
| Z1325G-BK1G | clasp - clasp |
| Z1325D-PB1 | clasp - parts for buckle/clasp |
| Z1325D-BK1G | clasp - clasp |
| Z1325C-PB1 | clasp - parts for buckle/clasp |
| Z1325C-BK1G | clasp - clasp |
| 2AA120LABBA | others - minute hand |
| 1AA085LBBBA | others - hour hand |
| 3AA125F1ANG | others - second hand |
| 3AA125F3ANG | others - second hand |
| 0351105 | others - winding stem |
| 0801722 | others - date dial |
| 5H238020 | others - case back |
| 5H23802075 | others - case |
| 5H23802098 | others - case |
| 5H238020XF | others - case |
| 5H23802LXG18 | others - dial |
| 5H23802LXG28 | others - dial |
| 5H23802LXS18 | others - dial |
| 5H238030XN14 | others - dial |
| 5H238280XS19 | others - dial |
| 82331951 | others - bezel |
| 82732990 | others - case ring |
| A200BS | others - push pin |
| Z1325C-EPG | others - endpiece |
| Z1325D-EPG | others - endpiece |
| Z1325G-EPG | others - endpiece |
| Z1325H-EPG | others - endpiece |
| 12SC23T1 | others - second hand |
| 11SC17T1 | others - second hand |
| 2AB120LBBBG | others - minute hand |
| 1AB080LBBBG | others - hour hand |
| 12P43BGM | others - minute hand |
| 12P11MGM | others - minute hand |
| 12P43BCM | others - minute hand |
| 12P43BGH | others - hour hand |
| 12P11MGH | others - hour hand |
| 12P43BCH | others - hour hand |
Caliber 5H23
