A. Lange and Sohne Lange 1 Time Zone 116.021 18K Yellow Gold RARE

A. Lange & Sohne Lange 1 Time Zone 116.021, 116021, 18k yellow gold case on a strap with a matching 18k yellow gold tang buckle, in-house manual wind Lange caliber L031.1 movement, 72-hour power reserve, solid silver dial with applied yellow gold hour markers and matching hands, offset main dial featuring the "Home Time" with the AM/PM indicator now located in the center of the dial, sub seconds at 6 o'clock, big date at 2 o'clock, world time sub-dial located at 5 o'clock with a matching AM/PM indicator and a new daylight savings time indicator, if the selected city has daylight savings time the arrow indicator will turn red, rotating inner ring of 24 cities for the 2nd time zone, power reserve indicator, display back, sapphire crystal, water resistant. Diameter: 41.9mm, Thickness: 10.9mm. Like New with A. Lange & Sohne box and undated papers.