The Seiko 5Y23-8160 is a watch model based on the 5Y23 movement.
Parts List
| 290WA2LM01 | crystal |
| 290WA2LM | crystal |
| 35M82NA1 | crown - crown |
| FH2981B01 | case back gasket - case back gasket |
| FH2981B0 | case back gasket |
| 86574980 | crystal gasket - crystal gasket |
| 86179411 | bezel gasket - plastic gasket for bezel |
| B1703Y | band |
| 0351670 | others - winding stem |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12CA4CGM | others - minute hand |
| 12CA4CGH | others - hour hand |