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Audemars Piguet. A fine 18K gold thin automatic tourbillon wristwatch
Audemars Piguet. A fine 18K gold thin automatic tourbillon wristwatch

SIGNED AUDEMARS PIGUET, TOURBILLON AUTOMATIQUE, REF. 25643BA, NO. 237, MANUFACTURED IN 1986

Details
Audemars Piguet. A fine 18K gold thin automatic tourbillon wristwatch
Signed Audemars Piguet, Tourbillon Automatique, ref. 25643BA, no. 237, manufactured in 1986
Cal. 2870 automatic movement, 32 jewels, platinum-iridium alloy pendulum oscillating weight, titanium tourbillon carriage visible through a glazed aperture in the gilt sun-ray pattern dial, dot numerals on blank chapter ring, small aperture revealing part of the blued steel oscillator with applied company initials AP, rectangular-shaped case with rounded corners, winding crown on the back, snap on-type back displaying six jewels and engraved Tourbillon automatique No. 237, 18K gold Audemars Piguet deployant clasp, case, dial and movement signed
28.5 mm wide, 32.5 mm. length

Brought to you by

Dr. Nathalie Monbaron
Dr. Nathalie Monbaron

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Lot Essay

According to the Archives of Audemars Piguet, the present watch was manufactured in 1986.

The present watch still retains his protective gold links at 12 and 6, almost always lost with time.

The "Tourbillon Automatique" model was launched in 1986, at the time believed to be the world's thinnest and smallest self-winding tourbillon movement. It was furthermore the first tourbillon carriage in the history of mechanical watches made of titanium. The slimness of the case design results from the use of the back plate of the movement as the case back, resulting in the height of only 4.8 mm including the gold case. The texture on the dial is modelled on Egyptian mythological symbols.

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