The Seiko 1400-7490 is a watch model based on the 1400 movement.
Parts List
| ES8N29SN00 | crystal |
| 35N85DE5 | crown |
| 0H1650B01 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| MK33A | band - leather band |
| A110BS | others - push pin (for mb) |
| 07R17DHH | others - hour hand |
| 07R17DHM | others - minute hand |
Caliber 1400
