The Seiko 5Y23-8250 is a watch model based on the 5Y23 movement.
Parts List
| 300WG2LN01 | crystal |
| 300WG2LN | crystal |
| 40MD4NA1 | crown - crown |
| 40MD4NS1 | crown - crown |
| FH3081B01 | case back gasket |
| FH3081B0 | case back gasket |
| 86581060 | crystal gasket - plastic gasket for crystal |
| 86178450 | bezel gasket - plastic gasket for bezel |
| BQA39J | band |
| BQJ47K | band |
| 0351672 | others - winding stem |
| 82800261 | others - case ring |
| 0801722 | others - date dial |
| 0801723 | others - date dial |
| 0866605 | others - holding ring for dial |
| 5Y238250 | others - case back |
| 5Y23825061Z | others - case |
| 5Y23825075Z | others - case |
| 5Y23837WXB13 | others - dial |
| 5Y23838WXS14 | others - dial |
| 5Y239 | others - machine code |
| 82353261 | others - bezel |
| 82353269 | others - bezel |
| A190BS | others - push pin |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12C52KWM | others - minute hand |
| 12C88KGM | others - minute hand |
| 12C52KWH | others - hour hand |
| 12C88KGH | others - hour hand |