The Seiko 7T39-6A20 is a watch model based on the 7T39 movement.
Parts List
| 290P12SN01 | crystal - crystal |
| 0351580 | crown - winding stem |
| 40M98NA1 | crown - crown |
| 8K35A0SNG1 | crown |
| FH3080B0A | case back gasket - case back gasket |
| 86581160 | crystal gasket - plastic gasket for crystal |
| EC0060B01 | pusher - pusher gasket |
| 80603001 | pusher |
| DAZ0AW | band - band |
| 1CA027AMBNG | others - small hand (6h) |
| 3AA037F0ANG | others - small hand (9h) |
| 1AB080A0BNG | others - hour hand |
| 3AA125F0ANG | others - second hand |
| 1CA030AMBNG | others - small hand (6h) |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| 1CA025A0BNG | others - small hand (6h) |
| 7T396A209V | others - case |
| 7T396A20 | others - case back |
| 0866616 | others - holding ring for dial |
| 0878659 | others - date dial |
| 7T394 | others - machine code |
| 7T396A20XS14 | others - dial |
| 84325344 | others - dial ring |
| A190CS | others - push pin |
| 04E40DA | others - sub hand |
| 2AB120A0BDG | others - minute hand |
| 0Z0060B01 | others - crown and stem gasket |
| 81400829 | others - button spring clip |
Caliber 7T39
Other models with the same movement
| 7T39-6A09 |
| 7T39-6A10 |
| 7T39-6A30 |
| 7T39-7A00 |
| 7T39-7A10 |
| 7T39-7A20 |