The Seiko 1N00-0B40 is a watch model based on the 1N00 movement.
Parts List
| 210N08GN00 | crystal - crystal |
| 30M98NA1 | crown |
| 30MF6NA6 | crown |
| 0H1900B01 | case back gasket - case back gasket |
| 0H1900B0 | case back gasket |
| WJA47K | band - leather band |
| WJJ59K | band - leather band |
| WJJ61K | band - leather band |
| ZJJ55K | band - leather band |
| WJA52K | band |
| WJJ53K | band |
| WJJ54K | band |
| WJA49K | band |
| A130AS | others - push pin (for lb) |
| 1N000B40 | others - case back |
| 1N000B4025Y | others - case |
| 1N000B4025Z | others - case |
| 1N000F88X919 | others - dial |
| 1N000F88XS19 | others - dial |
| 1N000F98X919 | others - dial |
| 1N000G08XS14 | others - dial |
| 1N000J68XS19 | others - dial |
| 1N000J78X914 | others - dial |
| 1N001C98XS19 | others - dial |
| 1N001D08XG14 | others - dial |
| 1N001D08XS14 | others - dial |
| 1N009 | others - machine code |
| 0351807 | others - winding stem |
| 82823020 | others - case ring |
| DZ0041B01 | others - crown and stem gasket |
| 2CD090A4BNG | others - minute hand |
| 2CD090A2BAA | others - minute hand |
| 2CD090A0BAA | others - minute hand |
| 09Y10AGM | others - minute hand |
| 09Y24AFM | others - minute hand |
| 07Y08DAM | others - minute hand |
| 09Y24NGM | others - minute hand |
| 1CD060A0BAA | others - hour hand |
| 07Y08DAH | others - hour hand |
| 09Y14NGM | others - minute hand |
| 2CH085A0BNG | others - minute hand |
| 2CA090A0BAA | others - minute hand |
| 08Y36NGM | others - minute hand |
| 1CD060A2BAA | others - hour hand |
| 09Y22NGH | others - hour hand |
| 09Y20AGH | others - hour hand |
| 09Y20NGH | others - hour hand |
| 1CH060A0BNG | others - hour hand |
| 1CA060A0BAA | others - hour hand |
| 08Y36NGH | others - hour hand |
Caliber 1N00
