The Seiko 5Y23-7140 is a watch model based on the 5Y23 movement.
Parts List
| 290W38HV01 | crystal |
| 290W38HV | 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 |
| S1004S | band |
| 0351672 | others - winding stem |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 12C88NGM | others - minute hand |
| 12C88NGH | others - hour hand |