The Seiko 1N00-5020 is a watch model based on the 1N00 movement.
Parts List
| K02A91JN02 | crystal - crystal |
| 6M35F9SNG0 | crown - crown |
| 6M35F9SNS0 | crown - crown |
| 6M35F9SNG2 | crown - crown |
| 0F180BA1S | case back gasket - case back gasket |
| 4976AQ | band - band |
| 4976BQ | band - band |
| 4976JQ | band - band |
| 4976KQ | band - band |
| 4977KQ | band - band |
| 4977CQ | band - band |
| 4977LQ | band - band |
| 4977XQ | band - metal band |
| 4976AQ-LK3 | band - link |
| 4976BQ-LK3 | band - link |
| 4976KQ-LK3 | band - link |
| 4977CQ-LK3 | band - link |
| 4977KQ-LK5 | band - link |
| 4976JQ-LK3 | band - link |
| 4977LQ-LK3 | band - link |
| 4977XQ-LK3 | band - link |
| 4977XQ-BKL | clasp - buckle |
| 4977LQ-BKL | clasp - buckle |
| 4976KQ-BKL | clasp - buckle |
| 4977CQ-BKL | clasp - buckle |
| 4977KQ-BKM | clasp - buckle |
| 4976AQ-BKL | clasp - buckle |
| 4976BQ-BKL | clasp - buckle |
| 4976JQ-BKL | clasp - buckle |
| 2CA045A1BNG | others - minute hand |
| 2CA045A1BNS | others - minute hand |
| 1CA032A1BNG | others - hour hand |
| 1CA032A1BNS | others - hour hand |
| DB004BAD1 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 81606439 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| 1N00502079A | others - case |
| 1N00502079B | others - case |
| 1N0050207HA | others - case |
| 1N00502075A | others - case |
| 82845110 | others - case ring |
| 1N005020 | others - case back |
| 1N0050207HC | others - case |
| 1N000070XS14 | others - dial |
| 1N000078XS14 | others - dial |
| 1N000080XA14 | others - dial |
| 1N000080XB13 | others - dial |
| 1N000088XA14 | others - dial |
| 1N000088XB13 | others - dial |
| 1N000088XB14 | others - dial |
| 1N000088XG14 | others - dial |
| 1N009 | others - machine code |
| 1N00502075B | others - case |
| 1N00502075C | others - case |
| 1N0050207HB | others - case |
| 4976JQ-EP2 | others - endpiece |
| 4976KQ-EP2 | others - endpiece |
| 4977LQ-EP2 | others - endpiece |
Caliber 1N00
