Important Collectors' Wristwatches, P...

Geneva, Hotel Noga Hilton, Oct 16, 2005

LOT 124

Dutch. Made mid-18th Century. Fine, silver,?Calendarium Perpetum? portable manual perpetual calendar.

C. Three-body, rope-twist band, the first revolving disc with apertures for signs of the zodiac, months with their respective number of dates, length of day and night, sunrise and sunset, the disc on the reverse inscribed with the days of the week and with a corresponding aperture for the date, fixed suspension loop. Diam. 46 mm.