The Seiko 5P31-5C3A is a watch model based on the 5P31 movement.
Parts List
| ESAW06JM02 | crystal |
| 35MA8NA1 | crown |
| 0A2500N01 | case back gasket - rotating bezel gasket |
| 0A2500N | case back gasket |
| B1534G | band - metal band |
| B1535G | band - metal band |
| B1535G-BK5G | clasp - clasp |
| B1534G-BK5G | clasp - clasp |
| 09TB2DGH | others - hour hand |
| 09TB2DGM | others - minute hand |
| 0351670 | others - winding stem |
| 5P315C3A | others - case back |
| 5P315C3A75 | others - case |
| 5P315D30XL14 | others - dial |
| 5P315D40XB15 | others - dial |
| 5P319 | others - machine code |
| 82802600 | others - case ring |
| A170BS | others - push pin |
| 08T10ZAM | others - minute hand |
| 13SC04A2 | others - second hand |
| 0Z0060B01 | others - crown and stem gasket |