The Seiko 2A23-027B is a watch model based on the 2A23 movement.
Parts List
| 220W27HK01 | crystal - crystal |
| 40E19NH1 | crown |
| FE223BAA1 | case back gasket |
| 86573235 | case back gasket - plastic gasket for crystal |
| 86573250 | bezel gasket - plastic gasket for bezel |
| ZA08A | band - band |
| 86204577 | band - other |
| G5049F | band - metal band |
| G5049F-LKS | band - link |
| G5049F-PB1 | clasp - parts for buckle/clasp |
| G5049F-BK1S | clasp - clasp |
| 08SC67RE | others - 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 |
| 2A230490XB14 | others - dial |
| 2A230550XB14 | others - dial |
| 2A2310 | others - machine code |
| 84307417 | others - dial ring |
| 2A23027BY3 | others - case |
| 82301497 | others - bezel |
| 0D014BA11 | others - crown and stem gasket |
| 0E012BAA1 | others - crown and stem gasket |
| 82733310 | others - case ring |
Caliber 2A23
