The Seiko 2C21-5020 is a watch model based on the 2C21 movement.
Parts List
RE7N65HN00 | crystal |
RE7N65HN | crystal |
30N77NA1 | crown |
30N77NS1 | crown |
0H1800B0 | case back gasket |
DZ0065B0 | case back gasket |
Caliber 2C21














The Seiko 2C21-5020 is a watch model based on the 2C21 movement.
RE7N65HN00 | crystal |
RE7N65HN | crystal |
30N77NA1 | crown |
30N77NS1 | crown |
0H1800B0 | case back gasket |
DZ0065B0 | case back gasket |