A.Lange & Söhne Lange 31 - 45.9 MM - White Gold - Grey Dial - 130.039F

The LANGE 31 stands as an emblem of horological innovation, being the world's first mechanical wristwatch with an unprecedented power reserve of 31 days and featuring a patented constant-force escapement. Encased in 18-carat white gold with dimensions of 45.9 mm in diameter and 15.9 mm in thickness, this exceptional timepiece boasts a grey dial meticulously crafted from solid silver. Limited to just 100 pieces, this model is exclusively available in Lange boutiques. Driven by the manually wound L034.1 movement comprising 406 parts, it offers a remarkable power reserve of 744 hours and operates at a balance frequency of 21,600 semi-oscillations per hour. Notable complications include the outsize date, constant-force escapement, and power-reserve indicator, making it a pinnacle of precision engineering and luxury craftsmanship.

A.Lange & Söhne Lange 31 - 45.9 MM - White Gold - Grey Dial - 130.039F