The A. Lange & Sohne Lange 1 Yellow Gold (ref. 115.021) is a men's dress watch with a 41.5 mm round case in yellow gold. It has a champagne and silver dial under sapphire crystal.
It is powered by a hand-wound mechanical movement with a power reserve of 72 hours. Functions: Power reserve indicator, date. Water-resistant to 50 m. The watch is fitted with an alligator leather strap with a classic buckle in yellow gold.
This example is pre-owned and in good condition, and comes with the original papers.