The Seiko 7N39-0A50 is a watch model based on the 7N39 movement.
Parts List
| 290A31SN02 | crystal - crystal (sapphire) |
| 8K40B5SNS0 | crown - crown |
| 0F280BAD2 | case back gasket - case back gasket |
| 30G4JB | band - band |
| 30G4AB | band - band |
| 30G4ZB | band - band |
| 4J30AB | band - band |
| 4J30ZB | band - band |
| 4J30JB | band - band |
| 4J30JB-LB | band - leather without buckle |
| 30G4AB-LK3 | band - link |
| 30G4JB-LK3 | band - link |
| 30G4ZB-LK3 | band - link |
| 4J30ZB-LB | band - leather without buckle |
| 4J30ZB-PB4 | clasp - parts for buckle |
| 4J30JB-PB4 | clasp - parts for buckle |
| 4J30ZB-BKK | clasp - buckle |
| 30G4ZB-BKJ | clasp - buckle |
| 30G4ZB-PB6 | clasp - parts for buckle |
| 4J30AB-BKK | clasp - buckle |
| 4J30AB-PB4 | clasp - parts for buckle |
| 30G4JB-PB6 | clasp - parts for buckle |
| 30G4JB-BKJ | clasp - buckle |
| 4J30JB-BKK | clasp - buckle |
| 30G4AB-BKJ | clasp - buckle |
| 30G4AB-PB6 | clasp - parts for buckle |
| 2BX125L0BTL | others - minute hand |
| 2BX125L0BTS | others - minute hand |
| 2BX125L0BTB | others - minute hand |
| 1AX075L0BTB | others - hour hand |
| 1AX075L0BTL | others - hour hand |
| 1AX075L0BTS | others - hour hand |
| 81606439 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 7N390A5001A | others - case |
| 82841060 | others - case ring |
| 7N390A50 | others - case back |
| 0351892 | others - winding stem |
| 7N390A5001B | others - case |
| AD006BAD1 | others - crown and stem gasket |
| 7N390A5002A | others - case |
| 7N390A5002B | others - case |
| 7N390A5002D | others - case |
| 7N390A5003A | others - case |
| 7N390A5003B | others - case |
| 7N390A5001D | others - case |
| 7N390A5003Z | others - case |
| 7N390A5004D | others - case |
| 0878710 | others - date dial |
| 0878711 | others - date dial |
| 7N390A5003D | others - case |
| 7N390A70XB13 | others - dial |
| 7N390A70XS1Z | others - dial |
| 7N390A70XS2Z | others - dial |
| 7N390A78XB13 | others - dial |
| 7N390A78XL13 | others - dial |
| 7N390A78XS1Z | others - dial |
| 7N390A78XS2Z | others - dial |
| 7N393 | others - machine code |
| 84331344 | others - dial ring |
| 84331345 | others - dial ring |
| 84331346 | others - dial ring |
| 84331347 | others - dial ring |