A. Lange & Söhne. A fine 18K gold hunter case keyless lever "Ankerchronometer" watch

SIGNED A. LANGE & SÖHNE, GLASHÜTTE I/SA, NO. 29'776, SOLD TO FA. DÜRRSTEIN & CO., DRESDEN ON 31 JANUARY 1891

Details

A. Lange & Söhne. A fine 18K gold hunter case keyless lever "Ankerchronometer" watch
Signed A. Lange & Söhne, Glashütte I/SA, No. 29'776, sold to Fa. Dürrstein & Co., Dresden on 31 January 1891
Cal. 47 21''' Quality 1A fully jewelled gilt-finished three quarter plate lever movement with screwed gold chatons, blued screws, large bimetallic compensation balance with gold screws, gold lever and escape wheels, finely engraved balance cock, swan neck regulator, diamond endstone, glazed dust cover, gold cuvette, the white enamel dial with Arabic numerals, sunk subsidiary seconds, gold Louis XV hands, in plain Lucia case, case and movement signed and numbered, cuvette stamped and numbered, dial signed
56 mm. diam.

Literature

Die Lange Liste by Martin Huber, chapter Ankerchronometer, p. 56.

Lot Essay

Accompanied by Uhrenmuseum Glashütte Certificat and one copy from the registers confirming the sale of the present watch to Fa. Dürrstein in Dresden, founder of Uhrenfabrik Union and retailer of A. Lange & Söhne watches, on 31 January 1891 for the amount of 408 Marks. Furthermore delivered with a later A. Lange & Söhne presentation box and later certificate.

The designation Ankerchronometer (lever chronometer) appears in A. Lange & Söhne books around 1882, starting with serial number 12434.

The particularity of these watches is the extremely large balance resulting in more precise timekeeping corresponding to the rates required for a chronometer, thus the name. For an additional sum (25 Marks in the beginning) the watches would be submitted for trial at the Observatories in Leipzig or in Hamburg and could obtain a rating certificate.

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