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DATOGRAPH PERPETUAL TOURBILLON

Complexity with 729 parts

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.

Available in platinum, the DATOGRAPH PERPETUAL TOURBILLON comes in a limited edition of 100 timepieces. The DATOGRAPH PERPETUAL TOURBILLON in platinum combines three significant complications: the flyback chronograph, the perpetual calendar and the tourbillon with the patented stop-seconds mechanism.

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.

The DATOGRAPH PERPETUAL TOURBILLON by A. Lange & Söhne

部機芯 L952.2

Number of movement parts

729

Number of diamonds

2

寶石軸承數目

59

Number of screwed gold chatons

5

動力儲備

50 小時動力儲備(完全上鏈狀態下)

Oscillation system

振頻: 18000 每小時振頻

微調系統: 螺絲擺輪

機芯尺寸

直徑: 32.6 mm; 厚度 9 mm

部機芯 部機芯
部機芯 部機芯