A. Lange & Söhne Datograph Perpetual Chronograph 41mm -

The A. Lange & Söhne Datograph Perpetual Chronograph is a high-complication masterpiece that exemplifies the pinnacle of German watchmaking. Debuted at SIHH, this wristwatch unites a perpetual calendar and a chronograph in a single elegant timepiece. Its uncommon grey dial modernizes the classic ALS look while preserving excellent legibility, appealing to collectors who value both aesthetics and functionality.

A. Lange & Söhne Datograph Perpetual Chronograph Dial Design

The dial preserves the iconic ALS structure. At 12 o’clock sits a large date window, while 3 o’clock integrates the month, leap year, and 30-minute chronograph counter. The 9 o’clock subdial displays the day, power reserve, and 60-second counter. Blue steel hands accentuate the chronograph, ensuring clarity. This thoughtful layout allows collectors to read multiple complications at a glance, combining functionality and elegance.

Caliber L952.1 Manual-Winding Movement in Datograph Perpetual Chronograph

Powered by the in-house Caliber L952.1, the Datograph Perpetual Chronograph features a flyback chronograph for precise timing. Press the 2 o’clock pusher to start the chronograph, and the 4 o’clock pusher to reset and instantly restart timing. Each component is hand-assembled and finished, reflecting A. Lange & Söhne’s dedication to traditional German craftsmanship.

Power Reserve and Quick-Date Functionality

The watch offers a 36-hour power reserve and includes a 10 o’clock quick-date pusher for one-day incremental adjustments. This practical feature makes operating the perpetual calendar simpler, enhancing usability for collectors who frequently wear mechanical watches.

Case, Strap, and Wearability

The 41mm white gold case is 13.5mm thick, paired with an alligator leather strap and white gold pin buckle. Water resistance reaches 30 meters. The sapphire caseback showcases the finely finished movement, including rhodium-plated bridges and hand-polished components, blending technical excellence with aesthetic beauty.

Collector Appeal and Legacy

The A. Lange & Söhne Datograph Perpetual Chronograph is highly sought after by collectors who appreciate mechanical sophistication, elegance, and exclusivity. Its combination of perpetual calendar, flyback chronograph, and meticulous finishing positions it as one of ALS’s most desirable modern watches. Explore more on the official A. Lange & Söhne website or in the A. Lange & Söhne Collection.