Original Seiko clutch lever pin (Japanese: 押し鳥捻Oshidori pin ) for connecting the clutch lever in the Keyless Works . This part ensures the correct switching between winding and hand setting – technically indispensable for any high-quality overhaul.
This makes this part particularly interesting for the restoration of early Crown models as well as the very first Grand Seiko 3180 with “Chronometer Certification”.
Details • Seiko part number: 022 854 • Original Seiko spare part (純正部品) • Material: Steel • NOS – unused, from a historical watchmaker's stock • Minimal signs of storage possible
