The Seiko 1N00-6M20 is a watch model based on the 1N00 movement.
Parts List
| RE4A77SN02 | crystal - crystal |
| 30E31NA6 | crown - crown |
| 0F180BAA3 | case back gasket |
| AC004BAA1 | case back gasket - crown and stem gasket |
| 4616KZ | band - band |
| 4616LZ | band - band |
| 4616KZ-LK4 | band - link |
| 4616LZ-LK4 | band - link |
| 4616KZ-PB2 | clasp - parts for buckle |
| 4616KZ-BKF | clasp - buckle |
| 4616LZ-BKD | clasp - buckle |
| 4616LZ-PB2 | clasp - parts for buckle |
| 1CE035L0BDG | others - hour hand |
| 2CE060L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 1N005D48XG14 | others - dial |
| 1N005D48XS14 | others - dial |
| 1N009 | others - machine code |
| 81606439 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| 82841380 | others - case ring |
| 1N006M2001D | others - case |
| 1N006M20 | others - case back |
| 1N006M2002D | others - case |
| RE4A77SN02 | crystal - crystal |
| 30E31NA6 | crown - crown |
| 0F180BAA3 | case back gasket |
| AC004BAA1 | case back gasket - crown and stem gasket |
| 4616KZ | band - band |
| 4616LZ | band - band |
| 4616KZ-LK4 | band - link |
| 4616LZ-LK4 | band - link |
| 4616KZ-PB2 | clasp - parts for buckle |
| 4616KZ-BKF | clasp - buckle |
| 4616LZ-BKD | clasp - buckle |
| 4616LZ-PB2 | clasp - parts for buckle |
| 1CE035L0BDG | others - hour hand |
| 2CE060L0BDG | others - minute hand |
| 0351807 | others - winding stem |
| 1N005D48XG14 | others - dial |
| 1N005D48XS14 | others - dial |
| 1N009 | others - machine code |
| 81606439 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| 82841380 | others - case ring |
| 1N006M2001D | others - case |
| 1N006M20 | others - case back |
| 1N006M2002D | others - case |
Caliber 1N00
