The Seiko 2A22-5140 is a watch model based on the 2A22 movement.
Parts List
| ESPN15JN00 | crystal |
| 30N83NA1 | crown - crown |
| 30N91NA1 | crown |
| 30N93DA5 | crown |
| 0G2000B01 | case back gasket |
| 0H1700B01 | case back gasket - bezel gasket |
| DZ0065B01 | case back gasket - button gasket |
| BJJ09G | band - leather band |
| BJJ21G | band - leather band |
| BJJ31G | band - leather band |
| 3BA075F1BNG | others - second hand |
| 07SC17NG | others - second hand |
| A130AS | others - push pin (for lb) |
| 2A220520XG14 | others - dial |
| 2A2210 | others - machine code |
| 2A22514025 | others - case |
| 08S19D3H | others - hour hand |
| 08S19D3M | others - minute hand |
Caliber 2A22
