The Seiko 2A22-5180 is a watch model based on the 2A22 movement.
Parts List
| RECN93JN01 | crystal |
| 32M35NA1 | crown |
| 0G2150B01 | case back gasket |
| 0G2180B01 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| B5300C | band - metal band |
| B5300G | band - metal band |
| B5300G-BK5G | clasp - clasp |
| B5300C-BK5S | clasp - clasp |
| 3BA075F1BNG | others - second hand |
| 07SC25NG | others - second hand |
| 07SC43NG | others - second hand |
| 07S17CHH | others - hour hand |
| 07S17CHM | others - minute hand |
| 07S25DGH | others - hour hand |
| 07S25DGM | others - minute hand |
| 2A220610XG14 | others - dial |
| 2A220620XS14 | others - dial |
| 2A2210 | others - machine code |
| 2A22518025 | others - case |
| 2A22518048 | others - case |
| 82730170 | others - case ring |
| 81180229 | others - bracelet fixing pipe |
| 81181459 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 81605319 | others - bracelet fixing pin |
Caliber 2A22
