The Seiko 2906-0421 is a watch model based on the 2906 movement.
Parts List
| 200W14GN00 | crystal - crystal |
| 45M40NS1 | crown |
| 45M40NA1 | crown |
| FH1980B01 | case back gasket - case back gasket |
| 86179091 | crystal gasket |
| 86179090 | crystal gasket - plastic gasket for crystal |
| 89998060 | bezel gasket - plastic gasket for bezel |
| B5280G | band - metal band |
| B5280G-LKG | band - link |
| B5280J | band - metal band |
| B5280K | band - metal band |
| B5280K-LKG | band - link |
| B5280S | band - metal band |
| B5280K-PB1 | clasp - parts for buckle/clasp |
| B5280K-BK1G | clasp - clasp |
| B5280G-PB1 | clasp - parts for buckle/clasp |
| B5280G-BK1G | clasp - clasp |
| 07C18BSH | hand - hour hand |
| 07C18BSM | hand - minute hand |
| 07C18MKH | hand - hour hand |
| 07C18MKM | hand - minute hand |
| 07C18MSH | hand - hour hand |
| 07C18MSM | hand - minute hand |
| 07C18MGH | others - hour hand |
| 07C18MGM | others - minute hand |
| 08SC12NG | others - second hand |
| 08SC12NS | others - second hand |
| 82702060 | others - case ring |
| 0354710 | others - winding stem |
| C130XS | others - push pin |
| 0801584 | others - date dial |
| 0884783 | others - holding ring for dial |
| 2906042161B | others - case |
| 2906042175A | others - case |
| 2906082L31N3 | others - dial |
| 2906082L32Q4 | others - dial |
| 2906082LXB1L | others - dial |
| 2906082LXG18 | others - dial |
| 2906082LXL33 | others - dial |
| 2906082LXS27 | others - dial |
| 2906082M31N3 | others - dial |
| 2906082M32Q4 | others - dial |
| 2906082MXB1L | others - dial |
| 2906082MXG18 | others - dial |
| 2906082N31N3 | others - dial |
| 2906082N32Q4 | others - dial |
| 2906082NXB1L | others - dial |
| 2906082NXG18 | others - dial |
| 2906082NXL33 | others - dial |
| 2906082NXS27 | others - dial |
| 2906082P31N3 | others - dial |
| 2906082PXL33 | others - dial |
| 2906082PXS27 | others - dial |
| 2906217MXB1L | others - dial |
| 2906217MXG18 | others - dial |
| 2906217MXL13 | others - dial |
| 2906217MXS13 | others - dial |
| 2906217MXS27 | others - dial |
| 2906218MXB1L | others - dial |
| 2906218MXG18 | others - dial |
| 2906218MXL13 | others - dial |
| 2906218MXS13 | others - dial |
| 2906229SXG14 | others - dial |
| 2906229WXG14 | others - dial |
| 2906229XXG14 | others - dial |
| 29064 | others - machine code |
| 83348561 | others - bezel |
| 83348569 | others - bezel |
| DJ0060B01 | others - crown gasket |
| 07C18BGM | others - minute hand |
| 07C18BGH | others - hour hand |
Caliber 2906
