Citizen Original-Ersatzteil – Zugfeder (Mainspring / Aufzugsfeder, ぜんまい) – Größe 8 ¾''' (1,40 × 0,085 × 245 mm) – NOS (1 Stück) Quarz Unworn (New Old Stock)

Unworn (New Old Stock)

Date of manufacture: January 1965

The clear minute track underlines the functional

They determine the later pattern and make each piece unique

it is an authentic testament to Japanese watchmaking

Citizen Original-Ersatzteil – Zugfeder (Mainspring / Aufzugsfeder, ぜんまい) – Größe 8 ¾''' (1,40 × 0,085 × 245 mm) – NOS (1 Stück) Quarz Unworn (New Old Stock)Original 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,