Lange Tourbograph „Pour le Mérite“ 165 Years – Homage to F. A. Lange Collection/en

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Lange Tourbograph „Pour le Mérite“
165 Years – Homage to F. A. Lange Collection

The TOURBOGRAPH “Pour le Mérite” from the anniversary collection
Reference 712.050
The TOURBOGRAPH „Pour le Mérite“ in a case made of the new, harder gold.

In 2005, A. Lange & Söhne presented a grand complication that established a new benchmark in precision watchmaking: the TOURBOGRAPH „Pour le Mérite“. It was the first one-minute tourbillon in a wristwatch format with a fusée-and-chain transmission as well as an additional rattrapante chronograph. Because of the complexity of the mechanism, it was possible to craft only one watch per month, so the last timepiece of the first partial edition of 51 platinum models was only just delivered a few weeks ago. The coming of a second partial edition of 50 watches in a yet-to-be-defined gold version was announced on the occasion of the original debut. The TOURBOGRAPH “Pour le Mérite” which is now being presented in honour of Ferdinand Adolph Lange also has a case made of the new, harder gold. And it, too, embodies Lange’s ambition to build the world’s finest watches. At the same time, it proves that even a horological superlative can be taken to a new, higher level.



Lange manufacture calibre L903.0, manually wound, crafted to the most exacting Lange quality standards and largely decorated and assembled by hand
precision-adjusted in five positions
plates and bridges made of untreated German silver
chronograph bridge engraved by hand
Diameter: 30.0 millimetres; height: 8.9 millimetres

No. of movement parts:

465 (not including chain), of which tourbillon cage: 84
No. of chain parts: 633

No. of jewels:

43, of which 2 diamond endstones


Lever escapement

Oscillation system:

Shock-resistant glucydur screw balance, superior-quality balance spring manufactured in-house, frequency 21,600 semi-oscillations per hour

Power reserve:

36 hours when fully wound


Hours, minutes, power reserve, one-minute tourbillon with fuséeand-chain transmission, chronograph with rattrapante function

Operating elements:

Crown for winding the watch and setting the time
chrono push piece at 2 o’clock, restart push piece at 4 o’clock, rattrapante push piece at 10 o’clock


Diameter: 41.2 millimetres; height: 14.2 millimetres
Honey-coloured gold
Glass and caseback: Antireflection-coated sapphire crystal


Solid gold, argenté, guilloched


Blued steel, chrono hands in gold-plated steel


Hand-stitched, red-brown crocodile strap with Lange prong buckle in solid honey-coloured gold


50 watches



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