The Seiko 1N00-1B50 is a watch model based on the 1N00 movement.
Parts List
| 210A02JN02 | crystal - crystal (inorganic) |
| 30MA2NA1 | crown - crown |
| 30MA2ND1 | crown |
| 0F190NA1S | case back gasket - case back gasket |
| 0F190NA1 | case back gasket |
| 4180CB | band |
| 4180LB | band - band |
| 4189KB | band - band |
| 4180KB | band - band |
| 4180BB | band - metal band |
| 4180CB-LKG | band - link |
| 4180KB-LKG | band - link |
| 4180LB-LKG | band - link |
| 4180BB-LKG | band - link |
| 4180SB-LK2 | band - link |
| 4189BB | band - metal band |
| 4189BB-LKG | band - link |
| 4189KB-LKG | band - link |
| 4180SB | band |
| 4180BB-BK4G | clasp - clasp |
| 4180KB-BK4G | clasp - buckle |
| 4189KB-BK4G | clasp - buckle |
| 4180LB-BK4G | clasp - buckle |
| 4189BB-BK4G | clasp - clasp |
| 4180SB-PB2 | clasp - parts for buckle/clasp |
| 4180CB-BK4G | clasp - clasp |
| 4180SB-BKI | clasp - clasp |
| 1CH055A0BAA | others - hour hand |
| 1CC055A0BAC | others - hour hand |
| 82823020 | others - case ring |
| 0351807 | others - winding stem |
| 1N001B5075 | others - case |
| 1N001B5075A | others - case |
| 1N001B5075X | others - case |
| 1N001B507H | others - case |
| 1N001B507HY | others - case |
| 1N004D40XG14 | others - dial |
| 1N004D48XG14 | others - dial |
| 1N004D50XS24 | others - dial |
| 1N004D58XS24 | others - dial |
| 1N004D68XS24 | others - dial |
| 1N009 | others - machine code |
| 1N001B5075Z | others - case |
| 1N001B5075Y | others - case |
| 1N001B50 | others - case back |
| 1N001B507HZ | others - case |
| B090BS | others - push pin |
| 2CG085L0BDG | others - minute hand |
| EZ0035B01 | others - crown and stem gasket |
| 08Y27DGM | others - minute hand |
| 1CG057L0BDG | others - hour hand |
| 2CD090A0BAC | others - minute hand |
| 08Y27DGH | others - hour hand |
| 2CH085A0BAA | others - minute hand |
| 08Y36AGM | others - minute hand |
Caliber 1N00
