Seiko / Seikosha Ersatzteil – Stellhebelfeder (Schlüsselwerk‑Feder) für Seiko „Solar" (Kal. 5S) (1 Stück) – NOS Paaruhr "Very Fine Adjusted" = highest

"Very Fine Adjusted" = highest adjustment level

Only the rose gold hands exhibit a subtle luminosity

individual dots/fine marks visible in the photo are mostly dust/reflections on the satin gold surface (please check macro photos)

Note: Sold Only the leather strap

Seiko / Seikosha Ersatzteil – Stellhebelfeder (Schlüsselwerk‑Feder) für Seiko „Solar" (Kal. 5S) (1 Stück) – NOS Paaruhr "Very Fine Adjusted" = highestOriginal Seikosha spare part Keyless works spring (presumably setting lever spring) from unused old stock (NOS) for the Seiko "Solar" (designated on the bag with caliber identification 5S: "5S ()"). One single piece is offered, taken from an original "SEIKO WATCH PARTS" bag (original packaging 1 dozen "1 DZ."); the packaging is stamped "GENUINE SEIKOSHA MAKE". The spring belongs to the keyless works: it holds or locks the setting parts (setting lever)