The Seiko 1N00-1G90 is a watch model based on the 1N00 movement.
Parts List
| 120A12LN03 | crystal - crystal |
| 6M30D2SNW1 | crown - crown (3h) |
| 6M30D2SNG1 | crown - crown |
| 0F140BA1S | case back gasket - case back gasket |
| 71V7XZ | band - band |
| 71V7YZ | band - band |
| 71V7ZZ | band - band |
| 71V7XZ-LK4 | band - link |
| 71V7YZ-LK4 | band - link |
| 71V7ZZ-LK2 | band - link |
| 71V7ZZ-PB2 | clasp - parts for buckle |
| 71V7YZ-PB4 | clasp - parts for buckle |
| 71V7XZ-BKC | clasp - buckle |
| 71V7YZ-BKE | clasp - buckle |
| 71V7ZZ-BKC | clasp - buckle |
| 71V7XZ-PB2 | clasp - parts for buckle |
| 1CA030AMBNG | others - small hand (6h) |
| 2CA045AMBNG | others - minute hand |
| 1CA030AMBNS | others - small hand (6h) |
| 2CA045AMBNS | others - minute hand |
| 81181459 | others - bracelet fixing pipe |
| 82832920 | others - case ring |
| 81604959 | others - bracelet fixing pin |
| 1N001G9001 | others - case |
| DB004BAD1 | others - crown and stem gasket |
| 0351807 | others - winding stem |
| 1N001G9002 | others - case |
| 1N005K24XB13 | others - dial |
| 1N005K24XG14 | others - dial |
| 1N005K24XL13 | others - dial |
| 1N005K24XS13 | others - dial |
| 1N005K24XS24 | others - dial |
| 1N009 | others - machine code |
| 1N001G9003 | others - case |
| 1N001G9004 | others - case |
Caliber 1N00
