The Seiko 7N83-6A20 is a watch model based on the 7N83 movement.
Parts List
| 240W14LN01 | crystal |
| 8M40A0NNG1 | crown - crown |
| 8M40A0SNW1 | crown - crown |
| 0A2200B01 | case back gasket - case back gasket |
| 86582080 | crystal gasket |
| 86560560 | bezel gasket - plastic gasket for bezel |
| BKA31J | band - leather band |
| BKJ45G | band - leather band |
| BKJ45K | band - leather band |
| BKJ44S | band |
| BKA31S | band |
| BKJ44J | band |
| 0351892 | others - winding stem |
| 82824660 | others - case ring |
| 0878583 | others - date dial |
| 0878584 | others - date dial |
| 7N833 | others - machine code |
| 7N836A20 | others - case back |
| 7N836A2061 | others - case |
| 7N836A2061Z | others - case |
| 7N836A2075 | others - case |
| 7N836A2075Z | others - case |
| 7N836A4LXB19 | others - dial |
| 7N836A4LXS19 | others - dial |
| 7N836A4LXS29 | others - dial |
| 7N836A4WXB19 | others - dial |
| 7N836A4WXS19 | others - dial |
| 7N836A4WXS29 | others - dial |
| 82280361 | others - bezel |
| 82280369 | others - bezel |
| A140BS | others - push pin |
| 3BA100F0BAB | others - second hand |
| 3BA100F0BAA | others - second hand |
| AD006BA12 | others - crown gasket |
| 2BB090S0BKB | others - minute hand |
| 2BB090S0BKS | others - minute hand |
| 1AF060S0BKB | others - hour hand |
| 1AF060S0BKS | others - hour hand |