The Seiko 1231-0049 is a watch model based on the 1231 movement.
Parts List
| 180W47SN01 | crystal |
| 30M09NS5 | crown |
| 30M09NA5 | crown |
| 0F140BAA1 | case back gasket |
| AC004BA11 | case back gasket - crown and stem gasket |
| 86573690 | crystal gasket - plastic gasket for crystal |
| 86590770 | bezel gasket |
| B5487 | band - metal band |
| B5488 | band - metal band |
| B5489 | band - metal band |
| 07S913GM | hand - minute hand |
| 07S914GH | hand - hour hand |
| 07S931BM | hand - minute hand |
| 07S931GM | hand - minute hand |
| 07S932JH | hand - hour hand |
| 07S932LH | hand - hour hand |
| 07SC596G | hand - second hand |
| 07SC596S | hand - second hand |
| 123100 | others - machine code |
| 1231004961A | others - case |
| 1231004975A | others - case |
| 12310049SFA | others - case |
| 1231007LXS14 | others - dial |
| 12310080XS14 | others - dial |
| 12310080XS24 | others - dial |
| 1231009LXS19 | others - dial |
| 82340811 | others - bezel |
| 82340819 | others - bezel |
| 82830570 | others - case ring |
| 0351117 | others - winding stem |
| 81182699 | others - bracelet fixing pipe |
| 81609399 | others - bracelet fixing pin |
| 81609599 | others - bracelet fixing pin |
| 07SC35VG | others - second hand |
Caliber 1231
Other models with the same movement
| 1231-0018 |
| 1231-0019 |
| 1231-0029 |
| 1231-0039 |
| 1231-5009 |
| 1231-5019 |
| 1231-5029 |
| 1231-5039 |
| 1231-5049 |