The Seiko 2A23-0280 is a watch model based on the 2A23 movement.
Parts List
| 200W85HU01 | crystal - crystal |
| 200W85HV01 | crystal - crystal (inorganic) |
| 40E19NS1 | crown |
| FE218BAA1 | case back gasket - case back gasket |
| 86573310 | crystal gasket - plastic gasket for crystal |
| 86561210 | bezel gasket - plastic gasket for bezel |
| HA15A | band - band |
| Z5160S | band - metal band |
| Z5160S-LKS | band - link |
| Z5160S-PB1 | clasp - parts for buckle/clasp |
| Z5160S-BK1S | clasp - clasp |
| 07S59MKH | others - hour hand |
| 07S59MKM | others - minute hand |
| 06SC23XS | others - second hand |
| A120BS | others - push pin (for lb) |
| 0801298 | others - date dial |
| 0884141 | others - holding ring for dial |
| 82732590 | others - case ring |
| 2A230280WS | others - case |
| 82331475 | others - bezel |
| 0E012BAA1 | others - crown and stem gasket |
| 0D014BA11 | others - crown and stem gasket |
| 2A23050LXN13 | others - dial |
| 2A23056LXN13 | others - dial |
| 2A2310 | others - machine code |
Caliber 2A23
