The Seiko 7770-5250 is a watch model based on the 7770 movement.
Parts List
ET6N03SN01 | crystal |
25N01DZ5C | crown |
25N01DZ5 | crown |
0D270NAA1 | case back gasket |
LK11P | band - leather band |
A180AS | others - push pin |
10S71VGH | others - hour hand |
DZ0040B01 | others - crown and stem gasket |
10S71VGM | others - minute hand |