The Seiko 1N01-5F20 is a watch model based on the 1N01 movement.
Parts List
| RE4A90JN02 | crystal - crystal |
| 6M30E5SNG0 | crown - crown |
| 6M30E5SNS0 | crown - crown |
| 0F160BA1S | case back gasket - case back gasket |
| 30A0BB-LK2 | band - link |
| 30A0CB-LK2 | band - link |
| 30A0AB | band - band |
| 30A0BB | band - band |
| 30A0CB | band - band |
| 1BF035A1BNS | others - hour hand |
| 2BF052A1BNS | others - minute hand |
| 2BH052A1BNS | others - minute hand |
| 3BA075F1BNG | others - second hand |
| 3BA075F1BNS | others - second hand |
| 3BA050F1BNG | others - second hand |
| 1BF035A1BNG | others - hour hand |
| 2BF052A1BNG | others - minute hand |
| 2BH052A1BNG | others - minute hand |
| 3BA050F1BNS | others - second hand |
| 1BH032A1BNG | others - hour hand |
| 1BH032A1BNS | others - hour hand |
| 0351807 | others - winding stem |
| DB004BAD1 | others - crown and stem gasket |
| 81190055 | others - bracelet fixing pipe |
| 81602669 | others - bracelet fixing pin |
| 82841820 | others - case ring |
| 1N015F2001A | others - case |
| 1N015F20 | others - case back |
| 1N015F2002A | others - case |
| 1N015F2003A | others - case |
| 1N011R70XB13 | others - dial |
| 1N011R70XG14 | others - dial |
| 1N011R70XL14 | others - dial |
| 1N011R70XS13 | others - dial |
| 1N011R70XS24 | others - dial |
| 1N011R80XB14 | others - dial |
| 1N011R80XG14 | others - dial |
| 1N011R80XL13 | others - dial |
| 1N011R80XS13 | others - dial |
| 1N011R80XS24 | others - dial |
| 1N019 | others - machine code |
Caliber 1N01
