A. Lange & Söhne is a luxury German watch brand known for producing high-end timepieces of exceptional quality and craftsmanship. The company has a long history, having been founded in 1845, and has produced a wide range of watches over the years, including pocket watches. A. Lange & Söhne pocket watches are highly prized by collectors and enthusiasts for their exceptional design, precision, and craftsmanship. These watches are typically made with solid gold or platinum cases and feature intricate hand-finished movements that are visible through the case back. A. Lange & Söhne pocket watches are often fitted with elaborate complications and are finished with elegant enamel dials and engraved cases. Despite the decline in popularity of pocket watches in recent years, A. Lange & Söhne continues to produce a limited number of pocket watch models, which are highly sought after by collectors and enthusiasts. These watches are a testament to the brand's commitment to traditional watchmaking techniques and the finest materials, and are a symbol of luxury and excellence. This particular 1920 vintage 18K yellow gold A.lange & Sohne pocket watch has a 50mm case that houses a manual movement. The yellow gold dial features Arabic numeral markers and a small seconds sub-dial. It shows very minor wear but it runs well.