The Seiko 2A23-0500 is a watch model based on the 2A23 movement.
Parts List
| 205W27HU01 | crystal |
| 35E29NG1 | crown |
| FE218BAA1 | case back gasket - case back gasket |
| 86582330 | crystal gasket |
| 86582350 | bezel gasket - plastic gasket for bezel |
| G5090F | band - metal band |
| G5090F-LKS | band - link |
| 86205475 | band - other |
| G5090F-PB1 | clasp - parts for buckle/clasp |
| G5090F-BK1S | clasp - clasp |
| 08SC67RM | hand - second hand |
| 08S65KLH | others - hour hand |
| 08S65KLM | others - minute hand |
| A120BS | others - push pin (for lb) |
| 0801121 | others - date dial |
| 0884141 | others - holding ring for dial |
| 2A230500 | others - case back |
| 2A230500YM | others - case |
| 2A230690XB14 | others - dial |
| 2A2310 | others - machine code |
| 82333357 | others - bezel |
| 82732590 | others - case ring |
| EB0055B0A | others - crown and stem gasket |
| 0354073 | others - winding stem |
Caliber 2A23
