The Seiko Y520-0010 is a watch model based on the Y520 movement.
Parts List
| 120A02LN03 | crystal - crystal |
| ES4A15JNM2 | crystal - crystal |
| 100N52LM01 | crystal |
| ES4A15JNE2 | crystal - crystal |
| 25E50NF1 | crown |
| 35ML5NN1 | crown - crown |
| 0H1100B01 | case back gasket - case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| XX000 | band - band |
| 608BC | band - metal band |
| 608BC-LKG | band - link |
| 610BC | band - metal band |
| 610BC-LKG | band - link |
| 612BC | band - metal band |
| 612BC-LKG | band - link |
| 888LC | band - leather band |
| 886LC | band - leather band |
| 886LC-BK4G | clasp - clasp |
| 888LC-BK4G | clasp - clasp |
| 612BC-PB1 | clasp - parts for buckle/clasp |
| 612BC-BK4G | clasp - clasp |
| 610BC-PB1 | clasp - parts for buckle/clasp |
| 610BC-BK4G | clasp - clasp |
| 608BC-PB1 | clasp - parts for buckle/clasp |
| 608BC-BK4G | clasp - clasp |
| 2EA047A3BNG | others - minute hand |
| 82725880 | others - case ring |
| Y520001026B | others - case |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 0351930 | others - winding stem |
| Y520001026A | others - case |
| 03V06NCH | others - hour hand |
| Y5200010 | others - case back |
| Y5200 | others - machine code |
| Y5200010F7 | others - case |
| Y5200010F7A | others - case |
| Y5200010F7B | others - case |
| Y5200010F7C | others - case |
| Y5200010F7D | others - case |
| Y5200010XG24 | others - dial |
| Y5200010XL14 | others - dial |
| Y5200010XS14 | others - dial |
| Y5200018XG14 | others - dial |
| 03V06NCM | others - minute hand |
| 05V08NGH | others - hour hand |