A fine and heavy rare gold hunter cased one-minute triple gold bridge tourbillon watch with chronometer escapement, Girard-Perregaux, La Chaux-de-Fonds, No. 6, circa 1984,

18k, damascened nickel movement, typical Girard Perregaux gold bridges, the bridges terminating in arrows, fully jeweled  and carried in screwed jeweled chatons, gold train, Girard Perregaux polished steel tourbillon carriage, pivoted detent escapement, bi-metallic compensation balance, blued-steel hairspring with terminal curve and regulator, glazed and gold cuvettes, white enamel dial, Roman numerals, subsidiary seconds, pierced foliate hands, heavy gold engine-turned case, front cover with similar border centered by an engraved monogram, five bar hinges, movement signed on barrel Girard Perregaux No. 6 Mars 1984, case similarly numbered, case, cuvette, dial and movement signed.

Accompanied by the fitted original Girard Perregaux burgundy leather  box.

The present lot is the sixth example of a series of 20 pieces of one-minute tourbillon watches produced by Girard Perregaux in the early 1980s.  It is a re-issue of their original design from 1880, but utilizes modern manufacturing materials and technology.

The tourbillon carriage is similar to the design patented by Ernest Guinand for Girard Perregaux in the late 19th century.

No. 1 of this series is illustrated and discussed in Meis, Das Tourbillon, pps. 44, 284-285, pls. Z52, 392-399.

The firm would later develop a very successful series of triple bridge tourbillon wristwatches.  See lot 42 for one such example in this sale.