The Seiko 1271-5021 is a watch model based on the 1271 movement.
Parts List
| ET4N21SV01 | crystal |
| 25N01NS5 | crown |
| 25N01NS5C | crown |
| 0D200NAA1 | case back gasket - case back gasket |
| DK03P | band - leather band |
| A120AS | others - push pin |
| 06S33JGH | others - hour hand |
| DZ0040B01 | others - crown and stem gasket |
| 06S33JGM | others - minute hand |
| 06SS05VG | others - second hand |
Caliber 1271
Other models with the same movement
| 1271-0010 |
| 1271-0011 |
| 1271-0020 |
| 1271-0030 |
| 1271-0040 |
| 1271-0041 |
| 1271-0050 |
| 1271-0060 |
| 1271-0061 |
| 1271-5000 |
| 1271-5010 |
| 1271-5011 |
| 1271-5020 |
| 1271-5030 |
| 1271-5040 |
| 1271-5050 |