The Seiko 5H23-5020 is a watch model based on the 5H23 movement.
Parts List
| BA2W75HM01 | crystal |
| 35ML1NG1 | crown - crown |
| 35ML1NH1 | crown - crown |
| 35M81NA1 | crown |
| 35M97NG1 | crown |
| 0F250BAA3 | case back gasket - case back gasket |
| 86580990 | crystal gasket - plastic gasket for crystal |
| G1241C | band - metal band |
| G1241C-LKG | band - link |
| G1241G | band - metal band |
| G1241G-LKG | band - link |
| G1241H | band - metal band |
| G1241H-LKG | band - link |
| G1241H-PB1 | clasp - parts for buckle/clasp |
| G1241H-BK1G | clasp - clasp |
| G1241G-PB1 | clasp - parts for buckle/clasp |
| G1241G-BK1G | clasp - clasp |
| G1241C-PB1 | clasp - parts for buckle/clasp |
| G1241C-BK1S | clasp - clasp |
| 09SC27NG | others - second hand |
| 3BA125F1BNG | others - second hand |
| EB0055B01 | others - crown and stem gasket |
| 0351670 | others - winding stem |
| 5H235020 | others - case back |
| 5H23502075 | others - case |
| 5H235020SA | others - case |
| 5H235020WE | others - case |
| 5H235020XB14 | others - dial |
| 5H235020XN14 | others - dial |
| 5H235020XS14 | others - dial |
| 82802210 | others - case ring |
| A180BS | others - push pin |
| 0801719 | others - date dial |
| 0801802 | others - date dial |
| 09T19DGM | others - minute hand |
| 09T19DGH | others - hour hand |
Caliber 5H23
