C. Four-body, "Empire", polished back, reeded band, bezels with silver edges, gold hinged cuvette. D. Silver, radial Roman numerals on sanded ring with outer minute divisions, subsidiary seconds, up-and-down indicator under XII o'clock, engine turned center and edge. Blued steel Breguet hands. M. 43,5 mm (19'''), nickel half-plate, "fausses côtes" decoration in narrow straps, 21 jewels, one-minute three-arm equidistant tourbillon carriage with Swiss lateral lever escapement, cut anibal-brass Guilaume compensation balance, special steel alloy balance spring with Phillips curves, regulator set around the endstone plate allowing for ample angular displacement, fitted with additional micrometric adjustment for final regulation.Signed on dial and case.Diam. 51,6 mm
Grading System:
CHF 100,000 - 140,000
USD 63,000 - 88,000
Sold: CHF 146,500
C. three-body, solid, polished and brushed, case back with 6 screws, reeded band, straight lugs, engraved case back, ogival-shaped winding-crown, sapphire crystal. D. "guilloché" silver with painted Roman numerals, on a plain reserve, aperture for the date. Breguet blued steel hands. M. Cal. 549, rhodium-plated, 36 jewels, lever escapement, monometallic balance, self-compensating Breguet balance spring, 21K gold rotor, 28'800 vbh.Dial, case and movement signed.Approx. overall length 185 mm.Engraved on the back: "Spécialement exécutée pour M. Thomas Engel".
Grading System: AA
CHF 10,000 - 12,000
USD 6,200 - 7,500
Sold: CHF 14,950
C. three body, solid, polished, ridged band, sapphire crystal, cabochon sapphire-set winding-crown. D. "guilloché" silver with painted radial Roman numerals on a plain reserve, auxiliary dial for the days of the month on the VI, graduation for the up-and-down indication on the XI, for the age of the moon on the I, aperture for the moon phases. "Breguet" blued steel hands. M. Cal. 502 DR, rhodium-plated, "fausses-côtes" decoration, 37 jewels, lever escapement, monometallic balance, 5 adjustments,self-compensating Breguet balance spring.Dial, case and movement signed.Diam. 36 mm.
Grading System: AA
CHF 13,000 - 18,000
USD 8,000 - 11,000
Sold: CHF 23,000
C. three-body, solid, polished, ridged band, straight lugs, screwed bars, sapphire-set winding-crown. D. "guilloché" silver with painted radial Roman numerals on a plain reserve, concentric, a ring dial for the days of the month with Arabic numerals, sector for the age of the moon, apertures for the days of the week and the months. "Breguet" blued steel hands, gold serpentine hand for the date. M. Cal. 12''' rhodium-plated, 35 jewels, lever escapement, monometallic balance, 5 adjustments, antishck system, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 36 mm.
Grading System: AA
CHF 13,000 - 18,000
USD 8,000 - 11,000
Sold: CHF 20,700
C. three-body, solid, polished, ridged band, rounded bezel, straight lugs, gold push-pin with chain, sapphire crystal back with dedicated back bezel. D. "guilloché" silver with painted radial Roman numerals on a plain eccentric ring dial, sector graduated in 20 over the visible tourbillon cage. M. Cal. No. 70, gilt brass, hand engraved, 21 jewels, lever escapement, monometallic balance adjusted to 6 positions, self-compensating Breguet balance spring.Dial, case and movement signed.Diam. 36 mm.Engraved on the back: "Fabriqué spécialement pour Thomas Engel".
Grading System: AAA
CHF 40,000 - 50,000
USD 25,000 - 30,000
Sold: CHF 46,000
C. three-body, solid, polished, concave bezel, fluted lugs, sapphire crystal. D. matte silver with applied yellowgold bâton indexes, auxiliary dials for the seconds, the 30 minutes register, graduation for the days of themonth, apertures for the days of the week, the months and the moon phases. Yellow gold "Dauphine" hands.M. 13''' CC, Geneva Quality Hallmark, rhodium-plated, "fausses côtes" decoration, 23 jewels, lever escapement, monometallic balance, 8 adjustments, self-compensating Breguet balance spring, micrometer regulator.Dial, case and movement signed.Diam. 38 mm.
Grading System:
CHF 140,000 - 180,000
USD 88,000 - 110,000
Sold: CHF 207,000
C. Wooden molded base, glazed dome. M. Circular varnished brass full plate, cylindrical pillars secured by screws, going barrel, tourbillon arbor between the potence and the plate, pinion fixed with a pin protruding through the axis, there-arm Hellwig-type carriage with Earnshaw type escapement, detent with lateral foot, bimetallic balance with temperature and mean-time adjustments screws, blued steel freesprung balance spring.Signed on the top plate.Dim. Height 21 cm, base 21 cm diam.
Grading System:
CHF 20,000 - 30,000
USD 13,000 - 19,000
Sold: CHF 41,400
C. Woden molded base, glazed dome. M. Circular varnished brass full plate, cylindrical pillars secured by screws, going barrel, "hammer and nail" constant force utilizing two pivoted detents as locking devices, one for the hammer the other for the escape wheel, double escape wheel, the smaller one for winding hammer's spring, the larger for locking, three-arm hammer divice, one arm for impulse, the other for locking, the third for winding, bimetallic balance with temperature and mean-time adjustents screws, blued steel freesprung balance spring. Signed on the top plate.Dim. Height 21 cm, base 21 cm diam.
Grading System:
CHF 20,000 - 30,000
USD 13,000 - 19,000
Sold: CHF 63,250
C. Four-body, "Lucia à gouge", polished, gold glazed cuvette, made by Karl Richter. D. Matte and whitened silver, applied gold baton indexes, outer minute ring, subsidiary sunk seconds. Gold baton hands. M. 45,94 mm (20'''), half-plate, nickel, narrow "fausses côtes" decoration, 19 jewels, flying tourbillon regulator carriage with very light three-arm equidistant cage, spring detent escapement, anibal-steel Guillaume compensation balance with free-sprung special steel alloy balance spring with Pillips outer terminal curve, S. Stanley type differential up-and-down indicator (English patent No. 5062 of March 21, 1891), Helwig two-barrel winding system.Signed on the movement, case signed K(arl) Richter, a well known Glashütte casemaker.Diam. 57,4 mm, thickness with the glass 15,36 mm.
Grading System:
CHF 0 - 0
USD 0 - 0
Sold: CHF 828,500