The Seiko 5C23-7020 is a watch model based on the 5C23 movement.
Parts List
| 280W48GN00 | crystal |
| 40M92NA1 | crown |
| 35MC8NA1 | crown |
| FH2981B01 | case back gasket - case back gasket |
| 86570560 | crystal gasket - plastic gasket for crystal |
| 86177800 | bezel gasket - plastic gasket for bezel |
| Z1411H | band - metal band |
| Z1411H-LKG | band - link |
| Z1411S | band - metal band |
| Z1411S-LKS | band - link |
| Z1411S-PB1 | clasp - parts for buckle/clasp |
| Z1411S-BK1S | clasp - clasp |
| Z1411H-PB1 | clasp - parts for buckle/clasp |
| Z1411H-BK1G | clasp - clasp |
| 04B04NG | hand - sub hand |
| 11T04CBH | hand - hour hand |
| 11T04CBM | hand - minute hand |
| 11T04DGH | hand - hour hand |
| 11T04DGM | hand - minute hand |
| 5C237020 | others - case back |
| 5C23702098 | others - case |
| 5C237020XF | others - case |
| 5C237030X994 | others - dial |
| 5C237030XB14 | others - dial |
| 5C239 | others - machine code |
| 82343901 | others - bezel |
| A180BS | others - push pin |
| 0354856 | others - winding stem |
| 0354800 | others - winding stem |
| 82730600 | others - case ring |
| 0801794 | others - date dial |
| 0801943 | others - date dial |
| 0866526 | others - holding ring for dial |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
Caliber 5C23
Other models with the same movement
| 5C23-5000 |
| 5C23-5009 |
| 5C23-5010 |
| 5C23-5020 |
| 5C23-5030 |
| 5C23-503A |
| 5C23-6000 |
| 5C23-600A |
| 5C23-6010 |
| 5C23-6020 |
| 5C23-7000 |
| 5C23-7009 |
| 5C23-7010 |
| 5C23-7019 |
| 5C23-7030 |
| 5C23-8000 |
| 5C23-8009 |
| 5C23-8019 |
| 5C23-8020 |
| 5C23-8030 |
| 5C23-8040 |