The Seiko 7R78-0A10 is a watch model based on the 7R78 movement.
Parts List
| 280P02SN02 | crystal - crystal (sapphire) |
| 310P16SB01 | crystal |
| 2K60A2ZTW0 | crown |
| 0F290BAD2 | case back gasket - case back gasket |
| 86583420 | crystal gasket - plastic gasket for crystal |
| 86177921 | crystal gasket - plastic gasket for crystal |
| AB77AW | band - band |
| A180CS | others - push pin |
| 13ST10JS | others - second hand |
| 1FX085A0BJS | others - hour hand |
| 2FX130A0BHS | others - minute hand |
| 3DA052A2BHS | others - second hand |