Lange began manufacturing watches with 24-hour dials in 1860. The rapid spread of railway travel and the corresponding use of 24 hour timetables led to a rise in popularity in watches which could also distinguish between A.M. and P.M. While some watches displayed the hours 1 through 12 and 13 through 24 in concentric dials, the present lot displays the 24 hours consecutively in one chapter ring.
A. Lange & Söhne developed DUF (Deutsche Uhrenfabrikation) watches with the Dresden company Dürrstein & Co. to create a more accessible, but still precise watch for consumers. The present lot is typical of DUF watches, including the signature on the dial as well as the 14 ct. gold case. DUF watches mainly differentiated from ALS-branded watches in that their jewels did not have the screwed bushings in gold, and were only adjusted to three positions rather than five. Their movements were also slightly more plain and contained a ruby endstone instead of the typical diamond.
According to our research, the firm produced only nine of these watches, of which only three have ever been offered at auction.
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