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🏛 Place · Bernese Jura · Longines / Heuer-Leonidas

Saint-Imier

The small Swiss town in the Bernese Jura that has been Longines' continuous home since 1832 and that hosted Heuer-Leonidas through the 20th century.

Saint-Imier is a town of ~5,000 in the Bernese Jura, ~30km from La Chaux-de-Fonds. Watchmaking centre since the early 19th century; Longines has been continuously based here since 1832 and remains its single largest employer. Heuer-Leonidas (the pre-TAG Heuer entity) was based here through the 20th century. Modern Saint-Imier is one of the major Swatch Group movement-manufacturing sites.

Population~5,000
RegionBernese Jura
Longines HQ since1832
Heuer-Leonidas era1908-1980s
WristBuzz Articles20
Saint-Imier

Photo: Hodinkee · Jun 11, 2026

~5,000Population
1832Longines
BerneseJura
FrenchLanguage
20WristBuzz Articles

The Saint-Imier Story

Saint-Imier sits in the Bernese Jura, on the Suze river valley between La Chaux-de-Fonds and Bienne. Watchmaking developed here from the early 19th century alongside the broader Jura industry. Longines was founded in Saint-Imier in 1832 by Auguste Agassiz; the brand has manufactured continuously in the same town since, making Longines the longest-continuously-located major Swiss brand.

Heuer-Leonidas was based in Saint-Imier through the 20th century after the 1959 Heuer-Leonidas merger; the company was the predecessor to the modern TAG Heuer. Modern Saint-Imier is part of the broader Swatch Group manufacturing footprint; ETA, Longines, and supplier industries continue to employ several thousand watchmaking workers across the town.

Saint-Imier Watchmakers

1832+ · Longines
Longines manufacture
Continuous

Continuous production at Saint-Imier since 1832. The longest-running single-location manufacture in Switzerland.

Longines HQ

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Learn More

Comments 2

  1. Frank
    In my view, the historical continuity Saint-Imier represents is genuinely significant for watchmaking. The fact that Longines has maintained operations there since 1832 speaks to something deeper than mere brand loyalty or real estate inertia. It suggests a stable supply chain, accumulated expertise in the local population, and institutional knowledge that's difficult to replicate. The Heuer-Leonidas chapter adds another layer; pre-TAG horological heritage concentrated in one small Bernese Jura town is the kind of thing that gets overlooked in modern brand histories. Worth examining more closely.
  2. Kevin O.
    Fair piece, though I'd push back slightly on treating Saint-Imier as some kind of singular watchmaking mecca just because two major names happened to be based there. Plenty of towns have hosted watch manufacturers without becoming pilgrimage sites. That said, the durability of Longines' presence is harder to dismiss. From what I've seen in the collector market, the geographic origin still matters to some buyers, even if it matters less than it did twenty years ago.

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