C. three-body, solid, polished, concave bezel and lugs. D. black with applied yellow gold indexes and Arabic numerals, subsidiary seconds and 30-minute register dials, outer graduation for 30 pulsations, concentric 1/5th second and minute scale. Yellow gold "baton" hands. M. Cal. 13'''-130, rhodium-plated, "fausses-côtes" decoration, 23 jewels, straight line lever escapement, monometallic balance adjusted to 8 positions, self-compensating Breguet balance-spring.Dial, case and movement signed.Diam. 33 mm.
Grading System: AA
USD 35,000 - 45,000
EUR 27,000 - 35,000
Sold: USD 34,500
C. three-body, solid, polished, transparent case back with screws, top and side crowns engine-turned with a knurled pattern, sapphire crystals. D. twin "guilloché" matte silver with concentric radial Arabic numerals and minute rings, offset subsidiary seconds dials on brushed 18K white gold dial plate with power reserve at 12. Blued steel "Journe"-style hands. M. Cal. F.P.Journe 13''', rhodium-plated, "fausses côtes" decoration, twin independent complete trains set on a single plate, 37 jewels,twin staight line lever escapements, twin beryllium four-arm balances with four adjustable timing weights, shock-absorbers, self-compensating free-sprung Invar balance springs. One of the escapements is mounted on a small platform pivoting around the second wheel by means of rack and pinion to adjust the distance between the two balances in order to find the most efficient position for resonance synchronisation. The crown at 5 syncronizes the seconds hands.Dial and case signed.Diam. 38 mm.
Grading System:
USD 21,000 - 26,000
EUR 15,800 - 20,000
Sold: USD 41,400
C. three-body, solid, polished, transparent back. D. white porcelain dial with applied 18K white gold Breguet numerals, subsidiary seconds dial. White gold ?Breguet? hands. M. Cal. RTO 27 PS, stamped with the Geneva Quality Hallmark, rhodium-plated, ?fausses côtes? decoration, 28 jewels, one minute tourbillon, lever escapement, Gyromax balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free-sprung balance-spring, repeating on gongs by activating slidon the band.Dial, case and movement signed.Diam. 34 mm.
Grading System:
USD 240,000 - 280,000
EUR 187,000 - 218,000
Sold: USD 321,500