The Seiko 1N00-6B90 is a watch model based on the 1N00 movement.
Parts List
| RE0A38JR02 | crystal |
| RE0A38JR | crystal |
| 30MH2NA1 | crown |
| 0E170NA1S | case back gasket - case back gasket |
| 0E170NA1 | case back gasket |
| 4030BZ-LKG | band - link |
| 4030DZ-LKG | band - link |
| 4030KZ | band - metal band |
| 4030KZ-LKG | band - link |
| 4030DZ | band |
| 4030MZ-LKS | band - link |
| 4030MZ | band |
| 4030BZ | band |
| 4030KZ-PB1 | clasp - parts for buckle/clasp |
| 4030MZ-BK4S | clasp - clasp |
| 4030KZ-BK4G | clasp - clasp |
| 4030DZ-PB1 | clasp - parts for buckle/clasp |
| 4030BZ-PB1 | clasp - parts for buckle/clasp |
| 4030DZ-BK4G | clasp - clasp |
| 4030MZ-PB1 | clasp - parts for buckle/clasp |
| 4030BZ-BK4G | clasp - clasp |
| 1CH032A0BNG | others - hour hand |
| 2CH042A0BNG | others - minute hand |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81180229 | others - bracelet fixing pipe |
| 81181459 | others - bracelet fixing pipe |
| 82834920 | others - case ring |
| 1N004B10XB14 | others - dial |
| 1N004B10XG14 | others - dial |
| 1N004B10XS14 | others - dial |
| 1N004B18XB14 | others - dial |
| 1N004B18XG14 | others - dial |
| 1N004B18XS14 | others - dial |
| 1N006B90 | others - case back |
| 1N006B9025 | others - case |
| 1N006B9025Z | others - case |
| 1N006B902H | others - case |
| 1N006B902HZ | others - case |
| 1N009 | others - machine code |
| EZ0035B01 | others - crown and stem gasket |
| 04Y17NGH | others - hour hand |
Caliber 1N00
