The Seiko Y151-0G20 is a watch model based on the Y151 movement.
Parts List
| 210A25JN01 | crystal - crystal (inorganic) |
| 6M30D2SNW1 | crown - crown (3h) |
| 0F170BA1S | case back gasket - case back gasket |
| E0K8AZ-LK02 | band - link |
| E0K8AZ | band - band |
| E0K8AZ-BK00 | clasp - clasp |
| 1BA052A9BAW | others - hour hand |
| 2BA075A5BAW | others - minute hand |
| 3BX115F0BAW | others - second hand |
| DB004BAD1 | others - crown and stem gasket |
| E0K8AZ-LKPN | others - pin for link |
| Y1510T84XL13 | others - dial |
| Y1510T84XZ13 | others - dial |
| Y1510T84XZ23 | others - dial |
| Y1511 | others - machine code |
| 81190075 | others - bracelet fixing pipe |
| 81606899 | others - bracelet fixing pin |
| 82833360 | others - case ring |
| Y1510G2001A | others - case |
| Y1510G2001C | others - case |
| E0K8AZ-BKPP | others - spring bar for buckle/clasp |
| E0K8AZ-LK01 | others - half adjust link |
| 0351807 | others - winding stem |