The A. Lange & Söhne Richard Lange Pour le Mérite White Gold Black Dial 40mm Ref. 260.028 is a limited edition watch renowned for its intricate fusée-and-chain transmission, a signature of the Pour le Mérite collection. This manual winding timepiece, launched in 2016 and limited to just 218 pieces, features a 40.5mm white gold case paired with a black solid silver dial. The dial is distinguished by white Roman numerals, rhodiumed gold hands, and subtle red Arabic numerals marking the quarter hours. The sapphire-crystal caseback reveals the calibre L044.1 movement, including the visible 636-part chain and essential components of the transmission system. With a 36-hour power reserve and 33 jewels, this model is engineered for precision and mechanical sophistication. A black alligator leather strap with a white gold pin buckle completes the refined look, making the Ref. 260.028 a standout for technical watch enthusiasts.