Those who know me well know of my fondness for alternative time displays, particularly direct read and jump hour watches. I don’t understand why they aren’t more popular, but a couple of interesting jump hour pocket watches are coming up for auction at Sotheby’s in the next two weeks, so I thought I’d share them and perhaps introduce non-watch folks to these time displays. Catalogue descriptions are taken directly from Sotheby’s. My additional notes are in square brackets.
7 Apr 2011, 10:00 AM & 2:00 PM | Sale HK0352
Gilt movement with cylinder escapement, flat three-armed balance. Silvered engine-turned dial, aperture at 12 o’clock for jump hour display, subsidiary seconds. Yellow gold case, front and reverse decorated with black and white enamel foliate motif, with aperture for jump hour display at 12 o’clock on front case. Cuvette signed, case and cuvette numbered. Diameter 48 mm.
[Vacheron Constantin have a long history with this form of time telling, as this history of them by Alex Ghotbi shows]
Cylinder movement, gold cuvette enhanced by flowering vines in gold and opaque powder blue enamel, against a guilloche ground with translucent peach enamel. White enamel dial with Turkish numerals, aperture for jumping hours, eccentric chapter ring, subsidiary seconds. Case with apertures displaying hours and seconds, each framed in lobed cartouches depicting bursts of spring flowers, the background with opaque blue enamel and flowering vines, the reverse with polychrome enamel painting of ships within a seascape in scalloped frame. Case and cuvette numbered. Diameter 48 mm.
[Touchon & Co. was established around 1907 and ceased in 1921 as an independent entity before being incorporated into Wittnauer. According to this site, Touchon mainly supplied watches (complete or otherwise) to other companies such as Tiffany & Co (their major client) or various American jewellers. As such, much of their work was unsigned]