The Seiko 3Y09-0040 is a watch model based on the 3Y09 movement.
Parts List
| 180W55HK01 | crystal |
| 35MG2NA1 | crown |
| 0A1800N0A | case back gasket |
| EA0040B0 | case back gasket |
| 86580060 | crystal gasket - plastic gasket for crystal |
| B5498S | band - (nl) |
| B5498S-LKS | band - link |
| B5498G | band - (nl) |
| B5498C | band - (nl) |
| B5498S-PB1 | clasp - parts for buckle/clasp |
| B5498S-BK2S | clasp - clasp |
| 81181459 | others - bracelet fixing pipe |
| 81607199 | others - bracelet fixing pin |
| 82804060 | others - case ring |
| 3Y090040 | others - case back |
| 3Y0900406Y | others - case |
| 3Y090060XN14 | others - dial |
| 3Y099 | others - machine code |
| 0351546 | others - winding stem |
| EA0040B0A | others - crown and stem gasket |
| 07T53DGM | others - minute hand |
| 07T53CGM | others - minute hand |
| 07T53AGH | others - hour hand |
| 07T53NGH | others - hour hand |