A. Lange & Söhne

Datograph Perpetual Tourbillon

740.036Saxonia Family

Complexity with 729 parts

The Datograph Perpetual Tourbillon, this combination of 3 of Lange’s most exclusive and detailed complications displays the incredible skill of German precision watchmaking. A perpetual calendar with moon-phase display and tourbillon with patented stop-seconds mechanism are added to the already venerable flyback Datograph movement with precisely jumping minute counter to create a timepiece that watch lovers dream of. Limited to just 100 pieces, all in Platinum, this timepiece is acknowledged as one of the immortal classics.


AUD / Including GST

Detailed features & specifications

This model was introduced in 2016. The dial is crafted from solid silver and graced with solid-gold appliques and hour markers. The hands are made of rhodiumed gold and blued steel. The hour and minute hands as well as the hour markers at 3, 6, 9, and 12 o’clock are luminous.

The DATOGRAPH PERPETUAL TOURBILLON unites three significant complications: a flyback chronograph with a precisely jumping minute counter, a perpetual calendar with a moon-phase display and a tourbillon with a patented stop-seconds mechanism. The classically designed dial pairs elegance with technical functionality. All the displays of the perpetual calendar switch instantaneously and thus provide unambiguous readings at all times.

The assembly of the manufacture calibre L952.2 challenges the skills of the watchmakers. It takes considerable experience, dexterity and patience to guarantee the flawless interaction of the complex mechanical components. For the first time in a Lange tourbillon, the balance is calibrated to 18,000 semi-oscillations per hour. This corresponds to five semi-oscillations per second and thus to a frequency of 2.5 hertz. Accordingly, stopped times are displayed with an accuracy of one-fifth of a second.


  • Movement: Manual Winding
  • Calibre: L952.2
  • Crystal: Anti-Reflective Sapphire
  • Functions: Hours, Minutes, Seconds, Perpetual Calendar, Chronograph, Tourbillon, Moonphase, Outsize Date, Power Reserve
  • Bracelet Strap: Black Crocodile Leather
  • Power Reserve: 50 Hours

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