Lange Datograph Perpetual Perpetual Calendar Flyback Chronograph

Lange DATOGRAPH PERPETUAL combines chronograph and perpetual calendar, the noble contrast between white 18K gold and gray. This masterpiece combining flyback chronograph and perpetual calendar, with solid white 18K gold case and gray dial, is accurate and Elegant coexistence.

  For André Gide, a French writer of the Nobel Prize in Literature, gray is the hue of truth, which has nothing to do with its balance and charming glory. In DATOGRAPH PERPETUAL, the white 18K gold case and gray dial reflect these two qualities. Since 2006, the name of this watch has been ingeniously linked to the flyback chronograph and perpetual calendar. This watch is equipped with three extremely sophisticated cutting-edge technology devices, which give full play to the accurate performance of short-term timing: the column wheel helps to reliably control all timing functions, the precise jumping minute indicator can always display a clear stop time, and the flyback system is Can quickly and accurately measure time periods for different projects.

   The perpetual calendar combined with the Lange large calendar, day of the week, month and leap year is very accurate, and it is not necessary to adjust the day until 2100. Convenient quick correction buttons allow all perpetual calendar displays to advance simultaneously. As for the three hidden correctors, each display can be adjusted individually.

Lange watch factory homemade L952.1 movement

   The dial’s dark gray tone accentuates the display, contrasting strongly with the dark blue moon phase dial with gold stars. Since the first introduction of 18K rose gold in 2010, the contrasting design has been one of the characteristics of DATOGRAPH PERPETUAL, this time with 18K yellow gold rhodium-plated rod-shaped hour markers, hours and minutes. The chronograph hands show stop times accurate to one-fifth of a second and are made of blue steel. The integrating dial and second hand are also made of the same material, which is particularly striking on the silver-grey background of the small dial. The movement, composed of 556 fine parts, further confirms the exquisite skills of the Lange watch factory in Saxony in the field of complex watchmaking devices.

The Lange watch factory manufactures its own L952.1 movement; it is wound by hand to meet the strictest quality standards of Lange, and it is carefully modified and assembled by hand; it is precisely adjusted in five directions; the plywood and bridge are made of untreated German silver; Hand carved balance wheel splint
Movement parts
Jewel bearing
Screwed gold sleeve
Escapement system
Lever escapement
Oscillating system
Anti-vibration balance wheel with eccentric weight; watch factory-made balance spring, vibrating frequency up to 18,000 times per hour, precision horizontal adjustment system combined with lateral fixing screws and gooseneck lever
Power reserve
Provides a 36-hour power reserve when fully wound
Hour and minute display, small seconds dial with stop-seconds device; flyback chronograph with precise jumping minute dial; speed scale; perpetual calendar with date, week, month, moon phase and leap year display; day / night display
Operating element
The crown is used for winding and setting the time, two buttons are used to operate the chronograph, the quick correction button is used to advance all calendar displays at the same time, and the hidden correction device adjusts the day, month and moon phase display respectively.
Case size
Diameter: 41.0 mm; thickness: 13.5 mm
Movement size
Diameter: 32.0 mm; thickness: 8.0 mm
18K white gold
Solid silver, gray; silver-gray small dial
18K yellow gold rhodium-plated hour and minute hands with luminous function; 18K yellow gold rhodium-plated week, month and four-year hands; blue steel chronograph sweep seconds, small seconds and integrating dial hands
Crystal and case back
Sapphire crystal (Mohs hardness 9)
Hand-stitched crocodile skin, black

Lange white 18K gold pin buckle