The Seiko 6309-401B is a watch model based on the 6309 movement.
Parts List
| ES8W46LM02 | crystal - crystal (inorganic) |
| 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 |
| 09B76PSH | hand - hour hand |
| 09B76PSM | hand - minute hand |
| 6309401B61 | others - case |
| 63094075XS17 | others - dial |
| 63099 | others - machine code |
| 84314602 | 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 |
| 13SB11NS | others - second hand |
Caliber 6309
