The Seiko 3M21-0A80 is a watch model based on the 3M21 movement.
Parts List
| 270A02SN02 | crystal - crystal |
| 8M40A2SNG1 | crown - crown |
| 8M40A2SNW1 | crown - crown |
| 0F250NA1S | case back gasket |
| 80602869 | pusher - button |
| 80602861 | pusher - button |
| 4541AM | band - band |
| 4541JM | band - band |
| 4541BM | band - band |
| 4541KM | band - band |
| 4541LM | band - band |
| 4541AM-LK3 | band - link |
| 4541BM-LK3 | band - link |
| 4541CM-LK3 | band - link |
| 4541JM-LK2 | band - link |
| 4541KM-LK2 | band - link |
| 4541LM-LK2 | band - link |
| 4541CM | band - band |
| 4541CM-BKF | clasp - buckle |
| 4541CM-PB1 | clasp - parts for buckle |
| 4541BM-BKF | clasp - buckle |
| 4541BM-PB1 | clasp - parts for buckle |
| 4541LM-BKD | clasp - buckle |
| 4541LM-PB1 | clasp - parts for buckle |
| 4541KM-BKD | clasp - buckle |
| 4541KM-PB1 | clasp - parts for buckle |
| 4541JM-BKD | clasp - buckle |
| 4541JM-PB1 | clasp - parts for buckle |
| 4541AM-BKE | clasp - buckle |
| 4541AM-PB1 | clasp - parts for buckle |
| 3AX130F0ANS | others - second hand |
| 3AX130F0ANG | others - second hand |
| 2AB100A2BAH | others - minute hand |
| 2AB100A2BAK | others - minute hand |
| 2AB100A2BAF | others - minute hand |
| 2AB100A2BAJ | others - minute hand |
| 1AB070A0BAH | others - hour hand |
| 1AB070A0BAK | others - hour hand |
| 1AB070A0BAF | others - hour hand |
| 1AB070A0BAJ | others - hour hand |
| 0351550 | others - winding stem |
| EG0060B01 | others - button gasket |
| 81604259 | others - bracelet fixing pin |
| 81190055 | others - bracelet fixing pipe |
| 3M210A8061 | others - case |
| 82836280 | others - case ring |
| 3M210A80 | others - case back |
| 3M210A8061A | others - case |
| 3M210A8061B | others - case |
| 3M210A8061W | others - case |
| 81400709 | others - button spring clip |
| 81350540 | others - button spring |
| 3M210A8061X | others - case |
| 3M210A8061Y | others - case |
| 3M210A8061Z | others - case |
| 3M210A8075 | others - case |
| 3M210A8098 | others - case |
| 3M210A8098Z | others - case |
| 3M210B50XB13 | others - dial |
| 3M210B50XG14 | others - dial |
| 3M210B50XN13 | others - dial |
| 3M210B50XS13 | others - dial |
| 3M210B50XS24 | others - dial |
| 3M210B58XB13 | others - dial |
| 3M210B58XG14 | others - dial |
| 3M210B58XL23 | others - dial |
| 3M210B58XN13 | others - dial |
| 3M210B58XS13 | others - dial |
| 3M210B58XS24 | others - dial |
| 3M210B60XS14 | others - dial |
| 3M210B68XS14 | others - dial |
| 3M216 | others - machine code |
| 3M210A8075Z | others - case |
| 3M210A8098A | others - case |
| 3M210A8098Y | others - case |
| 84327663 | others - dial ring |
| 84327664 | others - dial ring |
| 84327665 | others - dial ring |
| 84327666 | others - dial ring |
| 84327667 | others - dial ring |
| 84327668 | others - dial ring |
| 84327669 | others - dial ring |
| AD006BA12 | others - crown gasket |
Other models with the same movement