Seiko Ersatzteil 383121 – Stellhebel (1 Stück) – NOS Quarz with its clean

with its clean

clean strap changes without slippage

Technisch ist die Uhr funktionsfähig und sofort tragbar – ein leichtes

Instead of a classic box

original condition with signs of wear on the case and crystal

Seiko Ersatzteil 383121 – Stellhebel (1 Stück) – NOS Quarz with its cleanOriginal Seiko spare part 383121 from unused old stock (NOS). This is the setting lever , an essential component of the key mechanism, which controls the switching between winding and hand setting. This part is brand new, unused, and in original, flawless condition. Ideal for overhauls, repairs, or complete restorations of classic Seiko movements.