The Seiko 4N21-1130 is a watch model based on the 4N21 movement.
Parts List
| 160A03SN02 | crystal - crystal |
| 180A02JN02 | crystal - crystal |
| 6K35B3SNS0 | crown - crown |
| 6M45A1NNG0 | crown - crown |
| 0H1900B01 | case back gasket - case back gasket |
| 0F140BAD2 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| D1C9AB | band - band |
| D1D0AB | band - band |
| WAS9DW | band - band |
| D1C9AB-LK3 | band - link |
| D1D0AB-LK3 | band - link |
| D1D0AB-PB2 | clasp - parts for buckle/clasp |
| D1D0AB-BKX | clasp - clasp |
| D1D0AB-BKLK-12H | clasp - parts for buckle/clasp |
| D1D0AB-BKLK-6H | clasp - parts for buckle/clasp |
| D1C9AB-PB2 | clasp - parts for buckle |
| D1C9AB-BKLK-12H | clasp - parts for buckle/clasp |
| D1C9AB-BKLK-6H | clasp - parts for buckle/clasp |
| D1C9AB-BKX | clasp - buckle |
| 1BH037LBBDS | others - hour hand |
| 2BH055LABDS | others - minute hand |
| 3BA075F1BNS | others - second hand |
| 2BH060LABDS | others - minute hand |
| 1BH042LABDS | others - hour hand |
| 81604259 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| 81181859 | others - bracelet fixing pipe |
| 81607199 | others - bracelet fixing pin |
| AC004BAD1 | others - crown and stem gasket |
| 4N21113061A | others - case |
| 4N211130 | others - case back |
| 4N21113061C | others - case |
| 4N21113098A | others - case |
| 4N200AA0XA19 | others - dial |
| 4N2061 | others - machine code |
| 4N21113061B | others - case |
| 4N212760XA13 | others - dial |
| 4N212760XA23 | others - dial |
| 4N212760XA33 | others - dial |
| 4N212760XB13 | others - dial |
| 4N212760XG13 | others - dial |
| 4N212760XR13 | others - dial |
| 4N212760XS1Z | others - dial |
| 4N212840XS15 | others - dial |
| 4N2165 | others - machine code |
| 81332291 | others - spring |
| 81873751 | others - case bow |
| D1C9AB-BKPN | others - pin for buckle/clasp |
| D1C9AB-BKPP | others - spring bar for buckle/clasp |
| D1C9AB-EP1 | others - endpiece |
| 82840910 | others - case ring |
| 82850590 | others - case ring |
| 4N20113026A | others - case |
| D1D0AB-BKPN | others - pin for buckle/clasp |
| D1D0AB-BKPP | others - spring bar for buckle/clasp |
| D1D0AB-EP1 | others - endpiece |
| D1D0AB-LK01 | others - half adjust link |
| D1C9AB-LKPN | others - pin for link |
| 0351155 | others - winding stem |
| D1D0AB-LKPN | others - pin for link |
| 1CC047A1BAA | others - hour hand |
| 2CC070A1BAA | others - minute hand |
| 160A03SN02 | crystal - crystal |
| 180A02JN02 | crystal - crystal |
| 6K35B3SNS0 | crown - crown |
| 6M45A1NNG0 | crown - crown |
| 0H1900B01 | case back gasket - case back gasket |
| 0F140BAD2 | case back gasket - case back gasket |
| DZ0065B01 | case back gasket - button gasket |
| D1C9AB | band - band |
| D1D0AB | band - band |
| WAS9DW | band - band |
| D1C9AB-LK3 | band - link |
| D1D0AB-LK3 | band - link |
| D1D0AB-PB2 | clasp - parts for buckle/clasp |
| D1D0AB-BKX | clasp - clasp |
| D1D0AB-BKLK-12H | clasp - parts for buckle/clasp |
| D1D0AB-BKLK-6H | clasp - parts for buckle/clasp |
| D1C9AB-PB2 | clasp - parts for buckle |
| D1C9AB-BKLK-12H | clasp - parts for buckle/clasp |
| D1C9AB-BKLK-6H | clasp - parts for buckle/clasp |
| D1C9AB-BKX | clasp - buckle |
| 1BH037LBBDS | others - hour hand |
| 2BH055LABDS | others - minute hand |
| 3BA075F1BNS | others - second hand |
| 2BH060LABDS | others - minute hand |
| 1BH042LABDS | others - hour hand |
| 81604259 | others - bracelet fixing pin |
| 81190075 | others - bracelet fixing pipe |
| 81181859 | others - bracelet fixing pipe |
| 81607199 | others - bracelet fixing pin |
| AC004BAD1 | others - crown and stem gasket |
| 4N21113061A | others - case |
| 4N211130 | others - case back |
| 4N21113061C | others - case |
| 4N21113098A | others - case |
| 4N200AA0XA19 | others - dial |
| 4N2061 | others - machine code |
| 4N21113061B | others - case |
| 4N212760XA13 | others - dial |
| 4N212760XA23 | others - dial |
| 4N212760XA33 | others - dial |
| 4N212760XB13 | others - dial |
| 4N212760XG13 | others - dial |
| 4N212760XR13 | others - dial |
| 4N212760XS1Z | others - dial |
| 4N212840XS15 | others - dial |
| 4N2165 | others - machine code |
| 81332291 | others - spring |
| 81873751 | others - case bow |
| D1C9AB-BKPN | others - pin for buckle/clasp |
| D1C9AB-BKPP | others - spring bar for buckle/clasp |
| D1C9AB-EP1 | others - endpiece |
| 82840910 | others - case ring |
| 82850590 | others - case ring |
| 4N20113026A | others - case |
| D1D0AB-BKPN | others - pin for buckle/clasp |
| D1D0AB-BKPP | others - spring bar for buckle/clasp |
| D1D0AB-EP1 | others - endpiece |
| D1D0AB-LK01 | others - half adjust link |
| D1C9AB-LKPN | others - pin for link |
| 0351155 | others - winding stem |
| D1D0AB-LKPN | others - pin for link |
| 1CC047A1BAA | others - hour hand |
| 2CC070A1BAA | others - minute hand |