Important Collectors’ Wristwatches, P...

Geneva, Mandarin Oriental Hotel Du Rhône, May 13, 2007

LOT 142

?Split Seconds Perpetual? Blancpain, "Chronographe Rattrapante - Perpetual Calendar", No. 48/100, Ref. 4286P. Made in a limited edition of only 100 examples in 2003. Extremely fine, rare and important, large, astronomic, self-winding, platinum gentleman's wristwatch with round button co-axial split-seconds chronograph, register, perpetual calendar, phases and age of the moon and a platinum Blancpain deployant clasp. Accompanied by a fitted box and certificate.

CHF 38,000 - 50,000

EUR 24,000 - 30,000 / USD 30,000 - 40,000

Sold: CHF 44,840

C. Three-body, solid, polished, stepped bezel, straight lugs, correctors on the band, sapphire crystal. D. Matte silver with applied white gold radial Roman numerals, outer minute and 1/5th second chronograph divisions, subsidiary dials for the 30-minute and 12-hour registers and the days of the month, of the week, the months and the leap year, sector graduated for the age of the moon, aperture for the moon phases. White gold "feuille" hands. M. Cal. 56F9A, 38 jewels, straight line lever escapement, shock absorber, flat balance spring, monometallic balance adjusted to 5 positions, self-compensating flat balance-spring, gold rotor. Dial, case and movement signed. Diam. 42 mm. Thickness: 18 mm.


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Grading System
Grade: AAA

Excellent
Case: 2

Very good
Movement: 2

Very good
Dial: 1-01

As new

HANDS Original

Notes

What is a split-seconds chronograph? A split-seconds chronograph or ?rattrapante? is a type of chronograph watch with two coaxial superimposed centerseconds hands that are controlled by two push-buttons. One push-button controls the split-seconds hand to stop or join the chronograph hand. The other push-buttons control both hands and all the functions of the chronograph. The chronograph hand and the split-seconds hand are used for timing several events that start simultaneously, but are of diffrent durations. To operate the split-seconds chronograph, both hands are started and remain superimposed. Then at the end of the first duration, the split-seconds hand can be stopped while the chronograph hand continues to move. The duration of the first event can be read. After recording, the split-seconds hand can be released to instantly move and join the chronograph hand, synchronizing with it and thus being ready for another recording. At the end of each event the hands then can be stoppeand returned to zero.