The Seiko 5Y23-7030 is a watch model based on the 5Y23 movement.
Parts List
| 280W56GN | crystal |
| 280W56GN00 | crystal |
| 35M82NA1 | crown - crown |
| 35M82NS1 | crown - crown |
| 0A2600N01 | case back gasket - case back gasket |
| 86570560 | crystal gasket - plastic gasket for crystal |
| 86178600 | bezel gasket - plastic gasket for bezel |
| BPA67S | band |
| BPA67J | band |
| BPJ69K | band - leather band |
| BPJ69G | band |
| 12T02FGH | others - hour hand |
| 2AD120AMBAA | others - minute hand |
| 0351670 | others - winding stem |
| 82800261 | others - case ring |
| 0801722 | others - date dial |
| 0866556 | others - holding ring for dial |
| 0878506 | others - date dial |
| 5Y23703075 | others - case |
| 5Y237060XG14 | others - dial |
| 5Y237068XG14 | others - dial |
| 5Y237198XS19 | others - dial |
| 5Y239 | others - machine code |
| 82344601 | others - bezel |
| A180BS | others - push pin |
| 13SC04A2 | others - second hand |
| 13SC04ES | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12C28NGM | others - minute hand |
| 12C28NGH | others - hour hand |
| 12T14FGM | others - minute hand |
| 12C28NSM | others - minute hand |
| 12C16AGM | others - minute hand |
| 12C16AGH | others - hour hand |
| 12C28NSH | others - hour hand |