The Seiko 1N00-6K20 is a watch model based on the 1N00 movement.
Parts List
| RE6A03L30A | crystal - crystal |
| RE6A03L30B | crystal - crystal |
| 6K40A8SNN1 | crown - crown |
| 6K40A8SNW1 | crown - crown |
| 0F240BAAS | case back gasket - case back gasket |
| 71S5WZ | band - band |
| 71S6ZZ | band - band |
| 71S5WZ-LK4 | band - link |
| 71S6ZZ-LK2 | band - link |
| 71S5WZ-PB2 | clasp - parts for buckle |
| 71S5WZ-BKF | clasp - buckle |
| 71S6ZZ-BKD | clasp - buckle |
| 71S6ZZ-PB2 | clasp - parts for buckle |
| 2CA040F0BNS | others - minute hand |
| 1CA030F6BNS | others - hour hand (upper) |
| 1N006K2002 | others - case |
| 81506859 | others - screw |
| 81621079 | others - endpiece screw |
| 84330384 | others - dial ring |
| 84330385 | others - dial ring |
| 1N006K2001 | others - case |
| 82795900 | others - case ring |
| 1N004Z04XB19 | others - dial |
| 1N004Z04XB29 | others - dial |
| 1N009 | others - machine code |
| 0351807 | others - winding stem |
| EA0040B0A | others - crown and stem gasket |
Caliber 1N00
