The Seiko 2220-3440 is a watch model based on the 2220 movement.
Parts List
| ES1N15AN | crystal |
| 45D01NS1 | crown |
Caliber 2220
Other models with the same movement
| 2220-0180 |
| 2220-0300 |
| 2220-0310 |
| 2220-0520 |
| 2220-0530 |
| 2220-3170 |
| 2220-3230 |
| 2220-3240 |
| 2220-3460 |
| 2220-5000 |
| 2220-7070 |