Watchatlas

Leonidas Watch Company

Saint-Imier, Switzerland · Est. 1841

Founded by Julien Bourquin

Leonidas Watch Company was a Swiss chronograph specialist from Saint-Imier, founded in 1841. Known for military timing instruments and stopwatches, Leonidas merged with Heuer in 1964 and the name disappeared when TAG Group acquired Heuer in 1985.

Founded
1841
Headquarters
Saint-Imier, Switzerland
Group
Other
Price Segment
Mid
Status
Defunct

Ceased: 1985

Leonidas merged with Heuer in 1964 to form Heuer-Leonidas, then the Leonidas name was dropped entirely when TAG acquired Heuer in 1985.

Leonidas chronographs timed wars and races, then merged into Heuer and vanished — the silent partner in TAG's origin story.

Key Collections

  • CP-1 Military Timer — A robust military chronograph supplied to various armed forces during the mid-twentieth century, valued for its legibility and reliability under combat conditions.
  • Trackmaster — A precision stopwatch designed for athletic timing, featuring a clean dial layout optimised for recording split times during sporting events.
  • Semikrograph — A high-frequency stopwatch capable of measuring intervals to 1/100th of a second, employed in motorsport and scientific applications.
  • A. Lunser Military Chronographs — Chronographs produced under contract for military suppliers, often featuring black dials with luminous indices for field use.

Timeline

  • 1841 — Julien Bourquin establishes a watchmaking workshop in Saint-Imier, laying the foundation for what would become Leonidas.
  • 1917 — Leonidas begins large-scale production of military chronographs and stopwatches for Allied forces during the First World War.
  • 1946 — Post-war expansion sees Leonidas supply timing instruments to numerous national military organisations and sporting federations.
  • 1964 — Leonidas merges with Heuer to form Heuer-Leonidas S.A., combining expertise in chronograph and stopwatch manufacture.
  • 1985 — TAG Group acquires Heuer-Leonidas; the Leonidas name is discontinued as the company is rebranded TAG Heuer.

Frequently Asked Questions about Leonidas Watch Company

When did Leonidas stop making watches?
Leonidas effectively ceased independent production in 1964 when it merged with Heuer. The name was formally retired in 1985 following TAG Group's acquisition of Heuer-Leonidas.
Are Leonidas watches still valuable?
Vintage Leonidas chronographs, particularly military-issued examples and high-precision stopwatches, command strong collector interest and can fetch considerable sums at auction.
Can I still buy a Leonidas watch today?
New Leonidas watches are not produced, but vintage pieces appear regularly through specialist dealers, auction houses, and online platforms dedicated to vintage timepieces.
What is the connection between Leonidas and TAG Heuer?
Leonidas merged with Heuer in 1964 to create Heuer-Leonidas S.A. When TAG Group purchased the firm in 1985, the combined entity became TAG Heuer, and the Leonidas branding was discontinued.
What were Leonidas watches known for?
Leonidas specialised in chronographs, stopwatches, and military timing instruments, earning a reputation for precision and durability in demanding professional applications.

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