The Seiko 7770-6040 is a watch model based on the 7770 movement.
Parts List
250W25SN01 | crystal |
25M13NS5 | crown - crown |
AC004BA11 | case back gasket - crown and stem gasket |
86582150 | crystal gasket |
0F220NAA3 | bezel gasket |
QB21A | band - metal band |
10S21CGH | others - hour hand |
A180AS | others - push pin |
10S21CGM | others - minute hand |