Exceptional horologic works of art

Hotel Noga Hilton, Geneva, Oct 11, 2003

LOT 519

Le Phare, Swiss 1910. Very fine 18K gold keyless astronomical perpetual calendar watch with age and phases of the moon, minute-repeat, chronograph with 30-minute register.

C. four-body, "bassine et filets", polished, glazed gold hinged cuvette. D. white enamel, bolt Breguet numerals, outer minute track, outermost chronograph track divided into fifths, five-minute/seconds Arabic markers, four subsidiary sunk dials for days of the week, date, months of the four-year leap cycle concentric with minute register, and subsidiary seconds concentric with phases of the moon aperture and its age. Blued steel "spade" hands. M. 45 mm (20''', gilt, bar caliber, 28 jewels, lateral lever escapement, cut bimetallic compensation balance with Breguet balance spring, repeating on gongs through activating slide in the band.Diam. 57 mm.