The Seiko 6309-8820 is a watch model based on the 6309 movement.
Parts List
| 300WD0GN00 | crystal - crystal |
| 40M58NA1 | crown - crown |
| 40M58NS1 | crown - crown |
| FH2980B01 | case back gasket - case back gasket |
| 86179290 | crystal gasket - plastic gasket for crystal |
| 86179411 | bezel gasket - plastic gasket for bezel |
| G092J | band - leather band |
| 12BH0MSH | others - hour hand |
| 12BH0MSM | others - minute hand |
| 12BH0MKH | others - hour hand |
| 12BH0MKM | others - minute hand |
| 0801602 | others - date dial |
| 0884750 | others - holding ring for dial |
| 6309872NXB2L | others - dial |
| 6309872NXS47 | others - dial |
| 6309882061 | others - case |
| 63099 | others - machine code |
| 82330409 | others - bezel |
| A180CS | others - push pin |
| 0354601 | others - winding stem |
| 82707380 | others - case ring |
| DJ0060B01 | others - crown gasket |
| 13SB11NS | others - second hand |
Caliber 6309
