The Seiko Y520-0070 is a watch model based on the Y520 movement.
Parts List
| 120N08LN01 | crystal |
| 25M24NF1 | crown |
| 25M24NS1 | crown |
| 0H1100B01 | case back gasket - case back gasket |
| DZ75B | band - metal band |
| DZ80B | band - metal band |
| DZ81B | band - metal band |
| KZ90B | band - metal band |
| ZA82A | band - metal band |
| ZA83A | band - metal band |
| DZ76B | band - metal band |
| DZ77B | band - metal band |
| 04V32DAM | others - minute hand |
| 04V04NAM | others - minute hand |
| 04V04NAH | others - hour hand |
| 04V32DAH | others - hour hand |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 0351930 | others - winding stem |
| 04V32DSH | others - hour hand |
| DZ0041B01 | others - crown and stem gasket |
| 04V04NCH | others - hour hand |
| 04V04NCM | others - minute hand |
| 04V32DSM | others - minute hand |