The Art of American Horology Part ll,...

Roosevelt Hotel, Madison Avenue @ 45th Street, Dec 04, 2002

LOT 260

H.R. Ekegrèn, Geneva, No. 15585. Produced circa 1870.Fine, hunting-cased, astronomic, keyless 18K gold pocket watch with perpetual calendar, fly-back date and phases of the moon.

C. four-body, "demi-bassine", engine turned, reeded band, gold glazed cuvette, fast calendar setting pin at 2 o'clock on the band. D. white enamel with Roman numerals, outer minute ring with five-minute Arabic markers, 31-day date sector with retrograde hand in the center, auxiliary dials for the seconds at 8 o'clock and for the month at 4 o'clock, apertures for the moon phases below 12 o'clock and for the day at 6 o'clock. "Spade" blued steel hands. M. 42mm (19'''), frosted gilt, 20 jewels, stright line calibrated lever escapement, cut-bimetallic compensation balance with blued steel Breguet balance spring, "Swan-neck" micrometer regulator, wolf-teeth winding wheels.Bezel signed. Diam. 51 mm.