The Seiko 5M23-7A40 is a watch model based on the 5M23 movement.
Parts List
| 285W40JN01 | crystal |
| 285W40JN | crystal |
| 45MB0NA1 | crown - crown |
| 0E260NA1S | case back gasket - rotating bezel gasket |
| FH2981B01 | case back gasket - case back gasket |
| EG0060B0 | case back gasket |
| 80603881 | pusher - button |
| Z1703C-LKG | band - link |
| Z1703C | band |
| Z1703C-PB1 | clasp - parts for buckle/clasp |
| Z1703C-BK2S | clasp - clasp |
| A100BS | others - push pin (for mb) |
| 0878675 | others - date dial |
| 5M232 | others - machine code |
| 5M237A4098A | others - case |
| 5M237A40X913 | others - dial |
| 0351651 | others - winding stem |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| EG0060B01 | others - button gasket |
| 12ST20TS | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |
| 2AB120S0BCC | others - minute hand |
| 1AB075S2BCC | others - hour hand |