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Inspired by the claim to scientific precision

The dial design of the RICHARD LANGE TOURBILLON “Pour le Mérite” was inspired by precision chronometer No. 93 crafted by Johann Heinrich Seyffert, a gifted watchmaker who in the late 18th century established the fundamentals of precision timekeeping in Saxony. Alexander von Humboldt, a natural scientist, expressed particular appreciation for his work and relied on his timepieces to calculate the co-ordinates of his locations during his expeditions and perform many scientific measurements.

Eine Besonderheit der RICHARD LANGE TOURBILLON „Pour le Mérite“ ist der Ausschnitt auf dem Zifferblatt der kleinen Sekunde, durch den man das Tourbillon beobachten kann.
The three-part regulator dial of the RICHARD LANGE TOURBILLON “Pour le Mérite” was inspired by the Dresden master watchmaker Johann Heinrich Seyffert.

With a fusée-and-chain transmission and a one-minute tourbillon, this watch incorporates two of the most effective complications that increase rate accuracy. Thanks to the patented stop-seconds mechanism, the tourbillon – and with it the entire movement – can be stopped and set to one-second accuracy. When it is not needed for the reading of the hour, an auxiliary pivoting-dial segment affords a view of the tourbillon. Between 6 and 12 o’clock, it pivots back to complete the hour circle with the numerals VIII, IX and X.

RICHARD LANGE TOURBILLON “Pour le Mérite”– A. Lange & Söhne

Discover the models

2 Models of the RICHARD LANGE TOURBILLON "Pour le Mérite"

Movement L072.1

Number of movement parts


Number of diamonds


Number of rubies


Number of screwed gold chatons


Power reserve

36 hours when fully wound

Oscillation system

Frequency: 21600 semi-oscillations per hour

Beat-adjustment system: Screw balance

Movement measures

Diameter: 33.6 mm; height: 7.6 mm

Movement Movement
Movement Movement