11,875 CHF
URBAN JURGENSEN & SONNER PERPETUAL CALENDAR YELLOW GOLD Urban Jurgensen & Sonner, Kobenhavn, No. 3001. Made circa 1980 (movement from circa 1910). Very fine, 18K yellow gold, keyless pocket watch with perpetual calendar and phase and age of the moon. Four-body, bassine, polished, correctors in the band. snap- on gold cuvette. Silver with radial Roman numerals on a silver reserve, engraved center, outer minute divisions, subsidiary dials for the seconds, the date, days of the week and the months with four-year cycle, aperture for the moon phases concentric with seconds, the moon's age at the edge. Gold Breguet hands. 19''', matte gilt, 17 jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance with temperature and meantime adjustment screws, blued steel Breguet balance spring, index regulator. Notes Dial, case and movement signed. DIAM. 52 mm. THICKNESS 12mm. This watch is illustrated in The Jurgensen Dynasty by John Knudsen, p. 318 and 319.
Auctioneer:
Antiquorum
Date:
2016-05-15
