Three-body, solid, polished and brushed, fluted bezel and back edge, straight lugs, gold screwed bars, screwed-down transparent case back, sapphire crystals. Skeletonized solid silver, outer 1/5th seconds scale, subsidiary ring dials for the days of the month at 3, the seconds at 9, 12-hour register at 6 and 30-minute register at 12. Blued steel Breguet hands. Cal. C. 741S, gilt, skeletonized and oeil-de-perdrix decoration, 23 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator, gold rotor.
Grading System: AAA
USD 4,000 - 6,000
HKD 31,000 - 47,000
CHF 3,500 - 5,300
Sold: USD 7,500
Three-body, solid, polished and brushed, stepped bezel, transparent case back, sapphire crystals, correctors on the band to change the date. Transparent, subsidiary champagne ring dials for the date, the days of the week, the months, sector for the age of the moon, aperture for the moon phases. Yellow gold baton hands. Cal 2120/2, gilt brass, skeletonized and engraved, 36 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring, engraved 21K gold rotor.
Grading System: AAA
USD 12,000 - 18,000
HKD 95,000 - 140,000
CHF 10,500 - 16,000
Sold: USD 16,250
Two-body, solid, polished, case back with 4 screws, sapphire crystal. Sunray guilloché silver with painted Arabic numerals, concentric 1/5th seconds track with 5-second red Arabic markers and graduations for the date, apertures for the days of the week, the months and the moon phases. Blued steel spade hands. Cal. 2800 MC, rhodium-plated, fausses-côtes decoration, 21 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator, platinum rotor segment.
Grading System: AA
USD 7,500 - 9,500
HKD 58,000 - 74,000
CHF 6,600 - 8,400
Sold: USD 8,625
Two-body, solid, polished and brushed, concave bezel and lugs, coaxial button on the winding crown controls the quick setting of the date, transparent screwed-down case back with "RD" monogram, and sapphire crystals. Ivory, sectors for the Arabic hours (red and black) and minutes in the upper half, sector for the date in the lower one. Blued steel Cathedrale hands. Cal. RD 5799 stamped with the Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 25 jewels, straightline lever escapement, monometallic balance, 5 adjustments, shock absorber, swan-neck micrometer adjustment, selfcompensating Breguet balance spring, central rotor with pink gold "RD" monogram.
Grading System: AAA
USD 14,000 - 18,000
HKD 110,000 - 140,000
CHF 13,000 - 17,000
Sold: USD 16,875
Two-body, solid, polished and brushed, back with 6 screws,curved straight lugs. Sand-finished off-white and gray, theArabic hours on three translucent sapphire discs, each with four painted numerals, on the right a sector indicating the 59minutes in painted Arabic numerals and indexes underlined by gray painted sector over which the hours pass, at the center, a gilt wheel with three arms each ended by a self-rotating screw activating the discs. Cal. 2224, rhodium-plated, "faussescôtes" decoration, 35 jewels, lever escapement, mono metallic balance, shock-absorber, self-compensating flat balance-spring,21K gold rotor segment.
Grading System: AAA
USD 8,000 - 10,000
HKD 59,000 - 80,000
CHF 7,000 - 9,500
Sold: USD 13,125
Three body, polished and brushed, round bezel, straight lugs with screwed bars, snap on caseback, sapphire crystal. Silver with applied darts indexes , outer minute track, subsidiary dials for the months with 4-year cycle, days of the week and date, aperture for the moon phases. Yellow gold leaf hands. Cal. 2800, rhodium-plated, fausses cotes decoration, 26 jewels, straight-line lever escapement, monometallic balance adjusted to temperatures, shock absorber, self-compensating flat balance spring, micrometer regulator, platinum rotor segment, hack mechanism.
Grading System: AAA
USD 13,000 - 20,000
HKD 101,000 - 155,000
CHF 11,500 - 18,000
Three-body, solid, polished and brushed, concave lugs, stepped concave bezel, screw-down transparent case back, sapphire crystals. Matte silver with applied pink gold Arabic numerals, outer minute track, subsidiary dials for the seconds, the day, date, months and the 7-day power- reserve indication, apertures for the moon phases with aventurine glass effect and the 4-digit year. Pink gold feuille hands. Cal. C 51610, rhodium-plated, fausses cotes decoration, 64 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, micrometer regulator, patented Pellaton winding mechanism skeletonized rotor with gold medallion inlay engraved "IWC - Probus Scafusia."
Grading System: AAA
USD 20,000 - 24,000
HKD 155,000 - 186,000
CHF 18,000 - 21,000
Five-body, solid, polished and brushed, reeded bezel, cabochon sapphire-set winding crown, sapphire crystals. Transparent. Blued steel feuille hands. Cal. 849R-SQ, skeletonized and hand-engraved, rhodium-plated, 19 jewels, straightline lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, swan neck regulator.
Grading System: AAA
USD 10,000 - 15,000
HKD 78,000 - 116,000
CHF 9,000 - 13,000
Sold: USD 17,500
Two-body, polished and brushed, octagonal bezel set with 8 hexagonal nuts embanked in 8 screws on the case back, angled lugs with 4 screws to fix the bracelet, sapphire crystal. Pink tapestry with applied luminous steel baton indexes, aperture for the date. Luminous steel baton hands. Cal. 2121, rhodium-plated, fausses cotes decoration, 36 jewels, straight-line lever escapement, Gyromax balance adjusted for heat, cold isochronism and 5 positions, shock absorber, self-compensating flat balance spring, 21K gold rotor.
Grading System: AA
USD 8,000 - 12,000
HKD 62,000 - 93,000
CHF 7,100 - 11,000
Sold: USD 16,250
Three-body, solid, polished and brushed, octagonal bezel with 8 white gold hexagonal nuts secured by 8 white gold screws on the case back, concave lugs with 4 screws to fix the strap, screwed-down hexagonal winding crown, sapphire crystal. Off-white, "Clous-de-Paris" decorated, with luminous applied yellow gold baton indexes, outer minute/seconds divisions, aperture for the date. Luminous yellow gold baton hands. Cal. 2125, rhodium-plated, 36 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance-spring.
Grading System: AA
USD 3,500 - 5,500
HKD 27,000 - 43,000
CHF 3,100 - 4,000
Sold: USD 6,000
Three-body, polished and brushed, transparent case back with 8 screws, octagonal bezel with 8 hexagonal white gold screws, screwed-down hexagonal winding-crown and push-buttons, sapphire crystals. Ivory-color checkerboard pattern with applied yellow gold luminous indexes, guilloche subsidiary dials for the seconds and the 30-minute register, aperture for the tourbillon regulator under a polished steel bridge at 6. Luminous yellow gold baton hands. Cal 2889, rhodium-plated, fausses cotes decoration, 25 jewels, lateral lever escapement with one-minute tourbillon regulator, monometallic balance adjusted to heat, cold and 5 positions, self-compensating Breguet balance-spring.
Grading System: 
USD 120,000 - 180,000
HKD 931,000 - 1,396,000
CHF 105,000 - 158,000
Three-body, solid, polished, tapered reeded band with an aperture between the lower lugs displaying the progressive right to left Arabic hour numerals with 10 minute baton indexes, straight and curved lugs, sapphire crystals, time setting by a rotating crown on the case back. 18K blue gold with guilloche sunburst pattern focused around a central crown, aperture between 10 and 2 displaying the progressive left to right hours in Arabic numerals with 5 and 15 minute baton indexes. Cal. AS 1147, modified by Andersen, Genève, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, index regulator.
Grading System: AAA
USD 12,000 - 18,000
HKD 95,000 - 140,000
CHF 10,500 - 16,000
Sold: USD 14,375
Three-body, solid, polished, tapered reeded band with an aperture between the lower lugs displaying the progressive right to left Arabic hour numerals with 10 minute baton indexes, straight and curved lugs, sapphire crystals, time setting by a rotating crown on the case back. White 18K gold with feathered sunburst pattern (Mokume), aperture between 10 and 2 displaying the progressive left to right hours in Arabic numerals with 5 and 15 minute baton indexes. Cal. AS 1147, modified by Andersen, Genève, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, index regulator.
Grading System: AAA
USD 12,000 - 18,000
HKD 95,000 - 140,000
CHF 10,500 - 16,000
Sold: USD 13,750
Three-body, solid, polished, tapered reeded band with an aperture between the lower lugs displaying the progressive right to left Arabic hour numerals with 10 minute baton indexes, straight and curved lugs, sapphire crystals, time setting by a recessed crown on the case back. Textured pink 18K gold, aperture between 10 and 2 displaying the progressive left to right hours in Arabic numerals with 5 and 15 minute baton indexes. Cal. AS 1147, modified by Andersen, Genève, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, index regulator.
Grading System: AAA
USD 12,000 - 18,000
HKD 95,000 - 140,000
CHF 10,500 - 16,000
Sold: USD 14,375
Grading System: AAA
USD 4,000 - 5,000
HKD 31,000 - 39,000
CHF 3,500 - 4,500
Sold: USD 8,750
Grading System: AA
USD 2,500 - 4,500
HKD 19,000 - 35,000
CHF 2,200 - 4,000
Sold: USD 4,500
Grading System: AA
USD 1,500 - 2,500
HKD 11,500 - 19,000
CHF 1,300 - 2,200
Sold: USD 750
Grading System: AA
USD 3,000 - 5,000
HKD 23,000 - 39,000
CHF 2,700 - 4,500
Grading System: AA
USD 3,000 - 5,000
HKD 23,000 - 39,000
CHF 2,700 - 4,500
Grading System: AA
USD 3,000 - 5,000
HKD 23,000 - 39,000
CHF 2,700 - 4,500