The Seiko 6309-4020 is a watch model based on the 6309 movement.
Parts List
| ES8W48LM01 | crystal - crystal |
| 40M54NS1 | crown |
| 40M54NA1 | crown |
| FH2981B01 | case back gasket - case back gasket |
| FH2980B01 | case back gasket - case back gasket |
| 86574340 | crystal gasket - plastic gasket for crystal |
| B1424S | band - band |
| B1612J | band - metal band |
| B1424G | band - band |
| B1424K | band - band |
| B1424G-LKG | band - link |
| B1424K-LKG | band - link |
| B1424K-BK1G | clasp - buckle |
| B1424G-BK1G | clasp - buckle |
| B1424G-PB1 | clasp - parts for buckle |
| B1424K-PB1 | clasp - parts for buckle |
| 08B32NGH | hand - hour hand |
| 08B32NGM | hand - minute hand |
| 6309402061 | others - case |
| 6309402075 | others - case |
| 63094085XB14 | others - dial |
| 63094085XG14 | others - dial |
| 63094088XB14 | others - dial |
| 63094088XG14 | others - dial |
| 63094089XB14 | others - dial |
| 63094089XG14 | others - dial |
| 63099 | others - machine code |
| 84314621 | others - dial ring |
| 84314623 | others - dial ring |
| A200CS | others - push pin |
| 0801602 | others - date dial |
| 0884931 | others - holding ring for dial |
| 0354601 | others - winding stem |
| DJ0060B01 | others - crown gasket |
| 13SB11NG | others - second hand |
Caliber 6309
