The Seiko Y499-4020 is a watch model based on the Y499 movement.
Parts List
| ES6N93LM10 | crystal |
| ES6N93LM40 | crystal |
| 010110B01 | case back gasket |
| 0G1750B01 | case back gasket |
| 80604139 | pusher |
Other models with the same movement
| Y499-4000 |
| Y499-4010 |
| Y499-4030 |
| Y499-4060 |
| Y499-4070 |
| Y499-4080 |
| Y499-4090 |
| Y499-4110 |
| Y499-4130 |
| Y499-4140 |
| Y499-4150 |
| Y499-4160 |
| Y499-4170 |
| Y499-4210 |
| Y499-4220 |
| Y499-4230 |
| Y499-5020 |