A. Lange & Söhne Datograph Perpetual Tourbillon Platinum / Black Ref. 740.036

The A. Lange & Söhne Datograph Perpetual Tourbillon Platinum / Black 740.036 has a 41.5 mm platinum case, and measures 14.6 mm thick.

Introduced at SIHH 2016, the Datograph Perpetual Tourbillon features a hand-wound movement with column-wheel, fly-back chronograph, a perpetual calendar and a tourbillon escapement. In its first iteration [as shown], the case is platinum and the dial black.

Diameter: 41.5 mm
Thickness: 14.6 mm
Case: Platinum
Released: 2016
Movement: A. Lange & Söhne caliber L952.1

Specifications

Case and dimensions

Case diameter: 41.5 mm
Thickness: 14.6 mm
Lug width: 20 mm
Case shape: Round
Case material: Platinum
Crystal: Sapphire
Case back: Open

Dial

Dial colour: Black
Indexes: Stick / Dot
Hands: Alpha

Movement

Calibre: A. Lange & Söhne caliber L952.1
Movement maker: A. Lange & Söhne
Movement type: Handwound
Display: Analog
Power reserve: 36 h
Frequency: 18000 vph
Jewels: 45
Movement diameter: 32 mm
Complications: Additional 24 Hour Hand (fixed), Big Date, Chronograph, Column wheel, Day, Flyback, Hours, Leap Year, Minutes, Month, Moonphase, Perpetual Calendar and Small Seconds