• cal. L031.1 three quarter plate manual winding German silver lever movement, 54 jewels, mono metallic balance • silvered dial, eccentric time display with applied Roman numerals and dark indexes, subsidiary dial for second time zone with corresponding day/night indication, twin aperture for date, fan form sector for power reserve indication, rotating chapter ring indicating 24 major cities • 18k white gold case, pushers for second time adjustment and date correction, sapphire crystal display back secured by six screws • case, dial, and movement signed • with a platinum A. Lange & Söhne buckle

CASE Case in overall good condition with light wear and scuffing consistent with occasional use. Bezel with scuffs throughout, with some small scratches to the left side. Left side case band with equivalent wear. Lug bands with some small nicks. DIAL Dial in excellent condition. MOVEMENT World time and date function working properly. The movement is running at time of cataloging, however it was not tested for the accuracy of time or duration of the power reserve and may need service at the buyer's discretion. Please note that Sotheby's does not guarantee the future working of the movement. ***Please be advised that the bands on this watch are made of materials derived from endangered or otherwise protected species (i.e. alligator and crocodile) and thus not sold with the watch, they are for display purposes only. We will remove these bands prior to international shipping.***
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. All dimensions in catalogue descriptions are approximate. Condition reports may not specify mechanical replacements or imperfections to the movement, case, dial, pendulum, separate base(s) or dome. Watches in water-resistant cases have been opened to examine movements but no warranties are made that the watches are currently water-resistant. Please note that we do not guarantee the authenticity of any individual component parts, such as wheels, hands, crowns, crystals, screws, bracelets and leather bands, since subsequent repairs and restoration work may have resulted in the replacement of original parts. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue. In particular, please note it is the purchaser's responsibility to comply with any applicable import and export matters, particularly in relation to lots incorporating materials from endangered species.NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

**Please be advised that bands made of materials derived from endangered or otherwise protected species (i.e. alligator and crocodile) are not sold with the watches and are for display purposes only. We reserve the right to remove these bands prior to shipping."

Accompanied by an A. Lange & Söhne bi fold, instructional booklet, polishing cloth, and presentation box with outer packaging.  The Lange 1 is a visually iconic staple of the A. Lange & Söhne collection. The patented twin date aperture and eccentric dials are reinvented in the Lange 1 Time Zone, featuring a rotating track with 24 major world cities. 

For a Lange 1 Time Zone in pink gold, please see lot 31.