The Seiko 6309-4050 is a watch model based on the 6309 movement.
Parts List
| BA1W18GN00 | crystal |
| 40M58NA1 | crown - crown |
| 40M58NS1 | crown - crown |
| FH2980B01 | case back gasket - case back gasket |
| 86562380 | crystal gasket - plastic gasket for crystal |
| B1470G | band - metal band |
| B1470G-LKG | band - link |
| B1470J | band - metal band |
| B1470K | band - metal band |
| B1470S | band - metal band |
| B1470K-LKG | band - link |
| B1470K-PB1 | clasp - parts for buckle/clasp |
| B1470K-BK1G | clasp - clasp |
| B1470G-PB1 | clasp - parts for buckle/clasp |
| B1470G-BK1G | clasp - clasp |
| 09B70LGH | hand - hour hand |
| 09B70LGM | hand - minute hand |
| 09B70LSH | hand - hour hand |
| 09B70LSM | hand - minute hand |
| 6309405061 | others - case |
| 6309405075 | others - case |
| 6309565LXG14 | others - dial |
| 6309565LXS23 | others - dial |
| 6309565MXG14 | others - dial |
| 6309565MXS23 | others - dial |
| 6309565NXG14 | others - dial |
| 6309565NXS23 | others - dial |
| 63099 | others - machine code |
| 84301221 | others - dial ring (lower) |
| 84301223 | others - dial ring (lower) |
| 84301241 | others - dial ring (upper) |
| 84301242 | others - dial ring (upper) |
| A200CS | others - push pin |
| 0354601 | others - winding stem |
| 0801601 | others - date dial |
| 0884931 | others - holding ring for dial |
| DJ0060B01 | others - crown gasket |
| 13SB11NG | others - second hand |
| 13SB11NS | others - second hand |
Caliber 6309
