The Seiko 4N00-6990 is a watch model based on the 4N00 movement.
Parts List
| ES4A81J20A | crystal - crystal |
| ES4A81J20B | crystal - crystal |
| EA4A81J20A | crystal |
| 6M35Z5NNGA | crown - crown |
| 6M35Z5SNWC | crown - crown |
| 6M35Z5SNWA | crown - crown |
| 6M35Z5SBWA | crown |
| 0F240BA1S | case back gasket - case back gasket |
| 4613AG | band - band |
| 4613KG | band - band |
| 4613JG | band - band |
| 4613BG | band - band |
| 4613AG-LK5 | band - link |
| 4613BG-LK6 | band - link |
| 4613JG-LK5 | band - link |
| 4613KG-LK6 | band - link |
| 4613BG-BKF | clasp - buckle |
| 4613BG-PB1 | clasp - parts for buckle |
| 4613JG-BKD | clasp - buckle |
| 4613JG-PB1 | clasp - parts for buckle |
| 4613AG-BKD | clasp - buckle |
| 4613AG-PB1 | clasp - parts for buckle |
| 4613KG-BKF | clasp - buckle |
| 4613KG-PB1 | clasp - parts for buckle |
| 2CH047A1BNG | others - minute hand |
| 2CH047A1BNS | others - minute hand |
| 1CE030L0BDS | others - hour hand |
| 1CH030A1BNG | others - hour hand |
| 1CH030A1BNS | others - hour hand |
| 2CE045L0BDG | others - minute hand |
| 2CE045L0BDS | others - minute hand |
| DZ0040B01 | others - crown and stem gasket |
| 0351155 | others - winding stem |
| 4N00699075A | others - case |
| 82838350 | others - case ring |
| 4N006990 | others - case back |
| 4N00699079B | others - case |
| 4N00699079C | others - case |
| 4N00699079A | others - case |
| 4N005540XG13 | others - dial |
| 4N005540XS14 | others - dial |
| 4N005541XB13 | others - dial |
| 4N005541XG13 | others - dial |
| 4N005541XS14 | others - dial |
| 4N0061 | others - machine code |
| A140BS | others - push pin |
| 4N00699075B | others - case |
| 1CE030L0BDG | others - hour hand |