Collector’s Pocket Watches, Wristwatc...

Grand Havana Room, New York, Mar 13, 2002

LOT 154

Thomas Engel, No. 8, made in the 1980?s. Very fine and rare, 18K yellow gold, keyless tourbillon regulator watch with power reserve indicator and thermometer. Accompanied by original mahogany fitted box with extra main spring, spare pair of hands and original certificate.

USD 57,000 - 67,000

C. three-body, screwed-down case back covered with translucent green enamel over basket engine-turning with applied gold leaves and a bee, engine-turned borders and band, gold glazed cuvette, ball-type, swiveling pendant acting as a winding device. D. silver, Roman hour chapter with outer minute dot divisions with five-minute Arabic markers, engine-turned and whitened center, subsidiary seconds at 7 o?clock, thermometer sector at 10 o?clock, up-and-down indicator at 3 o?clock. ?Breguet? gold hands. M. 51.5 mm, rhodium-plated, ?fausses côtes? decora-tion, all arbors jeweled, entire escapement with endstones, one minute tourbillon regulator with three-arm car-riage, lateral lever escapement, cut bimetallic compensation balance, free-sprung balance-spring with outer ter-minal curve. Dial and movement signed. Case stamped ?TE?. Diam. 56.5 mm.


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Grading System
Grade: AAA

Excellent
Case: 1

As new
Movement: 1

As new
Dial: 1-01

As new

HANDS Original

Notes

Professor Thomas Engel is known worldwide for his exceptional research in the production of polymers. In 1966, he developed a process for cross-linking plastic extrusions, particularly those of cross-linked polyethylene. Based on the reaction of plastics at pressures of 15?000 to 150?000 psi and temperatures of approximately 300° and in the pres-ence of a peroxide catalyst, a cross-linking agent, this process was a significant step forward in plastics technology. It resulted in the production of a high molecular weight product having improved heat and chemical resistance, which is still in extensive use nearly thirty years later. Engel has received numerous prizes and honors for his work. In 1972, he was awarded the ?Diesel Prize? along with Dr. Wernherr von Braun, the rocket and space technologist.