**FOR SALE: A. Lange & Söhne Datograph 405.031 Black Dial 41mm 2019 Box & Papers** The A. Lange & Söhne Datograph 405.031 stands as one of the most celebrated modern chronographs in haute horology, featuring a meticulously finished in-house movement and a design that balances complexity with timeless elegance. The black dial offers striking contrast and excellent legibility for its beautifully arranged big date, flyback chronograph, and power reserve indicators. Encased in 18k white gold at 41mm, it wears with both presence and refinement, and the double assembly column-wheel movement, visible through the sapphire caseback, showcases Lange’s peerless finishing — from Glashütte ribbing and polished bevels to the hand-engraved balance cock. It’s a reference that resonates with collectors for its technical prowess and classic proportions. **Details:**  • Reference: 405.031  • Size: 41mm  • Water Resistance: 30m  • Movement: A. Lange & Söhne Calibre L951.6 manual-wind  • Power Reserve: \~60 hours **What’s Included:**  Everything you see in the pictures comes with the watch. Any timepiece not still under the manufacturer’s original warranty includes a one-year service warranty beginning on date of purchase from us at no additional charge. **Condition:**  This timepiece is in Excellent condition. Pictures are shot with a high-resolution DSLR camera and are an accurate reflection of the condition. The movement is running well and is not in need of servicing. **Yours for $74,500** We’re new to Reddit but have hundreds of 5-star reviews and references on other platforms. Reach out via DM or call/ text us at (571) 445-4697 if you’re interested. Thanks for looking!