89,680 CHF
“Calendarium Perpetuum” John Bushman, London, No. 1252. Made for the German market, circa 1710. Extremely fine and important, silver, pair-cased pocket watch, the outer case with manual perpetual calendar, indications for the zodiac and saints’ days, the seasons, religious festivals, sunrise and sunset and the length of daylight hours. Outer: two-body, master mark “WS” beneath a crown, square hinge, the bezel engraved with the months and their respective number of days, the back engraved with bands and segments containing the signs of the zodiac and their respective symbols, named saints’ days and their respective dates, start and finish of religious festivals and the seasons, calculation tables, the center with two revolving discs for calculating the length of the daylight hours, sunrise and sunset and future dates. Inner: two-body, “bassine”, master mark “IW”, polished, deep back, shuttered winding hole, split bezel, loose ring pendant. “Champlevé” silver, radial Roman numerals, outer minute track, Arabic five minute numerals, the center with signature cartouches. Blued steel “beetle and poker” hands. 41 mm., gilt full plate, divided Egyptian pillars with pierced foliate galleries, fusee with chain, verge escapement, three-arm steel balance, flat balance spring, finely pierced and engraved winged balance cock, silver regulation disc. Dial and movement signed. Diam. 57 mm. Notes The outer case, which is original to this watch is truly exceptional in its complication an
Auctioneer:
Antiquorum
Date:
2006-10-15