The Seiko 5420-0039 is a watch model based on the 5420 movement.
Parts List
| 140N18AN00 | crystal - crystal (organic) |
| 35N18NA1 | crown |
| 0A1400N01 | case back gasket |
| 0G0055B01 | case back gasket - crown and stem gasket |
| Z665G | band - metal band |
| Z665G-LKG | band - link |
| Z665Y | band - metal band |
| Z665G-BK4G | clasp - buckle |
| Z665G-PB1 | clasp - parts for buckle/clasp |
| 05R08NGH | others - hour hand |
| 81180229 | others - bracelet fixing pipe |
| 81604259 | others - bracelet fixing pin |
| 0354706 | others - winding stem |
| 54200030XG24 | others - dial |
| 5420003925 | others - case |
| 54209 | others - machine code |
| 82702120 | others - case ring |
| Z665G-ES | others - eyelet screw |
| 05R08NGM | others - minute hand |
Caliber 5420
