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PATEK PHILIPPE. A RARE PLATINUM PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES, 24 HOUR INDICATION, LEAP YEAR INDICATION AND BLACK DIAL WITH DIAMOND INDEXES, SINGLE SEALED

REF. 3970E, CIRCA 2004

Details
PATEK PHILIPPE. A RARE PLATINUM PERPETUAL CALENDAR CHRONOGRAPH WRISTWATCH WITH MOON PHASES, 24 HOUR INDICATION, LEAP YEAR INDICATION AND BLACK DIAL WITH DIAMOND INDEXES, SINGLE SEALED
REF. 3970E, CIRCA 2004
Movement: Manual
Dial: Black dial with diamond-set indexes
Case: 36 mm.
With: Platinum Patek Philippe deployant clasp, Patek Philippe Certificate of Origin, additional solid case back, setting pin, sales tag, product literature, leather folder, presentation box and outer packaging
Special notice

Lot incorporates material from endangered species that is not for sale and is shown for display purposes only. The endangered species strap shown with the Lot is for display purposes only and is not for sale.Upon sale, the watch will not be supplied to a buyer outside Hong Kong with any watch strap.

Brought to you by

Alexandre Bigler
Alexandre Bigler Vice President, Head of Watches, Asia Pacific

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Lot Essay

Patek Philippe Ref. 3970
In 1986, Patek Philippe launched a new generation of the perpetual calendar chronograph wristwatch, designated reference 3970, replacing the hugely successful reference 2499 in production in four different series from 1951 to 1985. The main difference in the movement was the arrival of the new Lemania based ébauche which replaced the Valjoux movement used for the previous 50 years. Starting with movement number 875'000, the first series of reference 3970 was produced with a solid snap on back, comprising approximately 100 examples. The second series introduced a solid screw back, designated reference 3970E (E for étanche, French for waterproof). A small number of watches from both series were also available with a sapphire crystal back, designated reference 3971E.
In 1989, a third series of ref. 3970 was launched, fitted with a solid screw back as well as an additional sapphire crystal display screw back. Reference 3970 was discontinued in 2004 and replaced by reference 5970.

While production of the reference 3970⁄3971 may have ended only 16 years ago, these modern yet classic perpetual calendar chronographs have become a must-have for the discerning collector of complicated wristwatches.

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