C. Cylindrical brass with panels and domed top, entirely polychrome cloisonné enameled with scenes of traditional Swiss costumes, mythical creatures representing the sun and two farmers carrying grapes, the solar cells on top of the dome, case raised on 3 ribbed feet. D. Matte off-white with applied brushed gilt chapter ring with radial black Roman numerals and Calatrava half-hour indexes, in each corner a cloisonne enamel plaque decorated to match the case. Gilt and black skeleton hands. M. Cal. 17???, solar-powered by photoelectric cell with lithium battery back-up, driving a remontoir train, winding the barrel spring, 29 jewels, straight line lever escapement, cut bimetallic balance, self-compensating Breguet balance spring, swan-neck micrometer regulator. Dial and movement signed. Dim. 22 x 12.5 cm.
Grading System:
USD 30,000 - 50,000
EUR 23,000 - 40,000
CHF 35,000 - 60,000
Sold: USD 66,000
C. Three-body, solid, polished, concave bezel, fluted lugs, transparent screwed-down case back, sapphire crystals. D. Matte silver with applied faceted pink gold bâton indexes, subsidiary dials for the seconds and the 30-minute register, the days of the month, the 24-hours and the leap year, aperture for the days of the week, the months and the moon phases. Pink gold baton hands. M. Cal. 70/155, stamped with the Seal of Geneva quality mark, rhodiumplated, fausses cotes decoration, 24 jewels, straight-line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 8 positions, shock absorber, self-compensating free-sprung Breguet balance spring. Dial, case and movement signed. Diam. 36 mm. Thickness 13 mm.
Grading System:
USD 80,000 - 100,000
EUR 62,000 - 80,000
CHF 95,000 - 115,000
Sold: USD 102,000