The Seiko 5Y23-8130 is a watch model based on the 5Y23 movement.
Parts List
| 290W38GN00 | crystal |
| 290W38GN | crystal |
| 40M78NA1 | crown - crown |
| FH2980B0 | case back gasket |
| FH2980B0A | case back gasket - case back gasket |
| 86565320 | crystal gasket - plastic gasket for crystal |
| 86179411 | bezel gasket - plastic gasket for bezel |
| S1004C | band |
| S1004C-LKG | band - link |
| S1004C-PB1 | clasp - parts for buckle/clasp |
| S1004C-BK2S | clasp - clasp |
| 2AD120AMBAA | others - minute hand |
| A100BS | others - push pin (for mb) |
| 0801722 | others - date dial |
| 0866567 | others - holding ring for dial |
| 5Y238130 | others - case back |
| 5Y23813098 | others - case |
| 5Y238160XS14 | others - dial |
| 5Y239 | others - machine code |
| 82351721 | others - bezel |
| 0351672 | others - winding stem |
| 82800261 | others - case ring |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12C16AGM | others - minute hand |
| 12C16AGH | others - hour hand |