The Seiko 6899-0020 is a watch model based on the 6899 movement.
Parts List
| 280A02S20A | crystal - crystal (sapphire) |
| 8M35D3KDG0 | crown - crown |
| 0F240NAAS | case back gasket - case back gasket |
| 86592095 | crystal gasket - plastic gasket for crystal |
| VI353 | band - band |
| 1AK085AACEL | others - hour hand |
| 2AK125AACEL | others - minute hand |
| 0D005BA13 | others - crown and stem gasket |
| 245P01S20A | others - crystal (sapphire) |
| 0351371 | others - winding stem |
Other models with the same movement
| 6899-0010 |
| 6899-0030 |
| 6899-0040 |
| 6899-0050 |
| 6899-0060 |
| 6899-0070 |
| 6899-0080 |
| 6899-00A0 |
| 6899-00B0 |
| 6899-00C0 |
| 6899-00D0 |
| 6899-00E0 |
| 6899-00F0 |
| 6899-00G0 |