The Seiko 8420-6819 is a watch model based on the 8420 movement.
Parts List
| 25M04NS1 | crown |
| 25M04NA1 | crown - crown |
| 25M10NA1 | crown |
Caliber 8420
Seiko 8420-6819 Watch Guide
The Seiko 8420-6819 is a watch model based on the 8420 movement.
| 25M04NS1 | crown |
| 25M04NA1 | crown - crown |
| 25M10NA1 | crown |