Original Seiko adjusting lever (Oshidori / 押鳥) with part number 383442 , made in Japan. This rare spare part belongs to the winding and hand-setting mechanism and is intended for various King Seiko hand-wound calibers of the 1960s.
The item comes from a historical Seiko workshop packaging (“10 PCS”), however, only a single piece is for sale .
compatibility
According to available Japanese reference lists, part 383442 is compatible with several classic Seiko hand-wound movements, including:
King Seiko calibers of the early series (e.g. 44 family and related assemblies)
other Seiko hand-wound calibers in which the setting lever 383442 is listed as standard Oshidori (“共通機種”)
(“共通機種” means: standard component used jointly for several works.)
