The A. Lange & Söhne 1815 Chronograph Ref. 401.031 combines the classical design language of the 1815 collection with one of the manufacture's most sophisticated manually wound chronograph movements. Its 18K rose gold case, black dial, contrasting silver-tone registers, and traditional Arabic numerals create a distinctive balance between historic Saxon styling and advanced chronograph engineering.
The 39.5 mm 18K rose gold case measures approximately 10.9 mm thick. The black dial features Arabic hour numerals, a railway-style minute track, small seconds at 8 o'clock, and a 30-minute chronograph counter at 4 o'clock. A pulsometer scale around the outer edge of the dial reinforces the traditional character of the design.
The watch is powered by the manually wound A. Lange & Söhne Caliber L951.0, composed of 320 parts and operating at 18,000 vibrations per hour. It provides approximately 36 hours of power reserve and features a column-wheel chronograph with flyback functionality and a precisely jumping minute counter.
A sapphire crystal protects the dial, while the transparent sapphire crystal caseback reveals the intricate chronograph mechanism and extensive hand finishing characteristic of A. Lange & Söhne. The watch is paired with a brown leather strap. Water resistance is rated to 30 meters.
Condition: Preowned
Scope of delivery: Watch comes without box and papers.
Warranty: 1-year dealer warranty
Key Details
Brand: A. Lange & Söhne
Model: 1815 Chronograph
Reference: 401.031
Collection: 1815
Type: Manual-Winding Flyback Chronograph
Movement: Manual-Winding Mechanical
Caliber: A. Lange & Söhne L951.0
Movement Components: 320
Power Reserve: Approximately 36 hours
Frequency: 18,000 VPH / 2.5 Hz
Case Material: 18K Rose Gold / Pink Gold
Case Size: 39.5 mm
Case Thickness: 10.9 mm
Water Resistance: 30 m
Dial: Black with Silver-Tone Registers
Hour Markers: Arabic Numerals
Functions: Hours, minutes, small seconds, flyback chronograph, 30-minute counter, pulsometer scale
Crystal: Sapphire Crystal
Caseback: Transparent Sapphire Crystal
Strap: Brown Leather
Condition: Preowned
Gender: Men's
