The Seiko 6309-8580 is a watch model based on the 6309 movement.
Parts List
| 310T18ANS0 | crystal - crystal |
| 310T18ANG0 | crystal |
| 40M58NA1 | crown - crown |
| 40M58NS1 | crown - crown |
| FH2980B01 | case back gasket - case back gasket |
| FH2980B | case back gasket |
| C072S | band - leather band |
| 10B48MJH | hand - hour hand |
| 10B48MJM | hand - minute hand |
| 10BA0MJH | hand - hour hand |
| 10BA0MJM | hand - minute hand |
| 10BA0MSH | others - hour hand |
| 10BA0MSM | others - minute hand |
| 0801602 | others - date dial |
| 0884931 | others - holding ring for dial |
| 0354601 | others - winding stem |
| 6309855L31N7 | others - dial |
| 6309855L339M | others - dial |
| 6309855L3L8M | others - dial |
| 6309855M31N7 | others - dial |
| 6309855M339M | others - dial |
| 6309855M3L8M | others - dial |
| 6309858061 | others - case |
| 6309858098 | others - case |
| 63099 | others - machine code |
| 83368371 | others - bezel |
| 83368379 | others - bezel |
| A180CS | others - push pin |
| DJ0060B | others - crown gasket |
| DJ0060B01 | others - crown gasket |
| 13SB11NG | others - second hand |
| 13SB11NS | others - second hand |
Caliber 6309
