Citizen Original-Ersatzteil – Zugfeder (Mainspring / Aufzugsfeder, ぜんまい) – Größe 8 ¾''' (1,40 × 0,085 × 245 mm) – NOS (1 Stück) Paaruhr The discoloration of the bronze

The discoloration of the bronze depends on how often it is worn and the environment

The deep blue dial with its fine sunburst finish

the watch industry stood at a turning point: the traditional mechanical watch was increasingly challenged by electronic developments

but a King Seiko was still too expensive

Ein gesuchtes Originalteil – interessant für zwei Sammlergruppen: Seiko-Restauratoren und Liebhaber vintage Designer-/Modemarken-Uhren (Nina Ricci)

Citizen Original-Ersatzteil – Zugfeder (Mainspring / Aufzugsfeder, ぜんまい) – Größe 8 ¾''' (1,40 × 0,085 × 245 mm) – NOS (1 Stück) Paaruhr The discoloration of the bronzeOriginal Citizen spare part mainspring (Japanese zenmai) from unused old stock (NOS). Offered is a single mainspring in original Citizen packaging with the historical "CITIZEN MAINSPRINGS" emblem. The mainspring is the energy reservoir of the mechanical movement: wound in the barrel (), it is tensioned via the crown and drives the entire gear train as it unwinds. As a central power source and wear part, it fatigues over time, can take a permanent set,