J.W. Benson

J. W. Benson A rare and possibly unique yellow gold hunter-cased minute repeating keyless perpetual calendar split-seconds chronograph with Audemars Piguet ébauche, leap year indication, moon phases, blue champlevé enamel monogram and crest of the McCulloch Family

Manufacturer : J. W. Benson Year : Circa 1883 Movement No : 2449 Material : 18K yellow gold Calibre : Manual, the top plate covered with an additional plate covering the chronograph work Dimensions : 57mm diameter Signed : Movement signed Provenance : Sotheby's London, Important Clocks, Watches, Wristwatches, Barometers and Scientific Instruments, 3rd October 1991, lot 462 Literature : Similar example is mentioned in the Audemars Piguet: Meisterwerke klassischer Uhrmacherkunst by Gisbert L Brunner, Christian Pfeiffer-Belli and Martin K Wehrli, p. 43-52