The Seiko 5A70-2B20 is a watch model based on the 5A70 movement.
Parts List
| 180A02SZ0C | crystal - crystal |
| 35MJ0EX2 | crown |
| 0F180NA1S | case back gasket - case back gasket |
| DZ68B | band - band |
| 07VC2JLH | others - hour hand |
| 0354881 | others - winding stem |
| 82812140 | others - case ring |
| 5A702B206E | others - case |
| EZ0035B01 | others - crown and stem gasket |
| 07VC4JCM | others - minute hand |