The Seiko 6309-8900 is a watch model based on the 6309 movement.
Parts List
| 305W20GN00 | crystal |
| 40M58NA1 | crown - crown |
| 40M58NS1 | crown - crown |
| FH2980B01 | case back gasket - case back gasket |
| 86179400 | crystal gasket - plastic gasket for crystal |
| 86179411 | bezel gasket - plastic gasket for bezel |
| NA22A | band - band |
| AA06B | band - band |
| Z1027G | band - metal band |
| Z1027G-LKG | band - link |
| Z1027J | band - metal band |
| Z1027S | band - metal band |
| Z1027G-PB1 | clasp - parts for buckle/clasp |
| Z1027G-BK1G | clasp - clasp |
| 12BH0LGH | hand - hour hand |
| 12BH0LGM | hand - minute hand |
| 12BH0MGH | hand - hour hand |
| 12BH0MGM | hand - minute hand |
| 12BH0HGH | others - hour hand |
| 12BH0HGM | others - minute hand |
| 12BH0MKH | others - hour hand |
| 12BH0MKM | others - minute hand |
| 12BH0MSH | others - hour hand |
| 12BH0MSM | others - minute hand |
| 12BH0HSH | others - hour hand |
| 12BH0HSM | others - minute hand |
| 6309890061 | others - case |
| 82332269 | others - bezel |
| 82707380 | others - case ring |
| 6309890075 | others - case |
| 0354601 | others - winding stem |
| 0801601 | others - date dial |
| 0884750 | others - holding ring for dial |
| 82332261 | others - bezel |
| 6309827NXG38 | others - dial |
| 6309827NXL5L | others - dial |
| 6309827NXN14 | others - dial |
| 6309827NXS47 | others - dial |
| 63098980XG18 | others - dial |
| 63098980XS27 | others - dial |
| 63099 | others - machine code |
| A190CS | others - push pin |
| DJ0060B01 | others - crown gasket |
| 13SB11NG | others - second hand |
| 13SB11NS | others - second hand |
Caliber 6309
