A. LANGE & SÖHNE, GLASHÜTTE | AN EXCEPTIONALLY RARE GUN METAL AND GOLD DOUBLE DIALLED TWO TIME ZONE HALF-HUNTING AND OPEN-FACED WATCH WITH BOX AND CERTIFICATECIRCA 1904 NO. 47201

• Movement: 1a quality, 20''' cal. 45 gilded ⅔ plate, gold lever and escape wheel, bi-metallic compensation balance, some jewels carried in gold screwed chatons, diamond endstone, swan-neck regulation, signed and numbered A. Lange & Söhne, Glashütte B/Dresden, 47201• Dial: first: open-faced, white enamel, Roman numerals, blued steel hands, outer minute track • second: half-hunting, white enamel, Roman numerals, blued steel hands, outer minute track, sunken subsidiary seconds • each signed A. Lange & Söhne, Glashütte b/ Dresden• Case: "Lucia" gun metal, the front with open-faced dial, pink gold rim to the blued steel bezel, the back with glazed aperture and pink gold inner rim, inner pink gold bezel surrounding the dial, pink gold bow, hinges, crown and olivette for adjusting time to open-faced dial, slide beneath half-hunting cased dial bezel for adjusting time, case numbered 156, 217227• Accompaniments: with an A. Lange & Söhne presentation box and a certificate numbered 47201

Sotheby's Geneva 14 May 1996, lot 360

Otto Harbinger, Klassik Uhren, April 1983 Ed. 2 pp.163-164
Martin Huber, Die Uhren von A. Lange &  Söhne, 1988, p. 120 pl.98 
Reinhard Meis, A. Lange & Söhne, the Watchmakers of Dresden, 1997, p.230 figs.601-602
Martin Huber, Die Lange Liste, 2000, pp. 118-119 table 30

Movement not running at time of cataloguing but winding is operational and hand sets to both sides are adjusting. Dial :Half-hunting cased dial has some scratches and some marking around the edges, some light scratches above the subsidiary seconds dial; the open-faced dial is dirty around the edges. Case: The half-hunting case lid is split around a third of the way around its rim and with signs of previous repair.
"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 a certificate of origin from the Deutsches Uhrenmuseum, Glashütte confirming the date of sale on 5th December 1904 to Huber Frères, Constantinople for 700.-M. The present lot no. 47201, made in 1904, is one of only three double dial dual time zone watches made by A. Lange &  Söhne, and the only one produced in steel.  To the best of our knowledge, the present lot is the only one that has ever appeared at auction.