Patek Philippe. An extremely fine and possibly unique 18K gold perpetual calendar chronograph wristwatch with moon phases, 24 hour and leap year indication, special execution gilt dial with gold Breguet numerals, original certificate and additional case back
On lots marked with an + in the catalogue, VAT wil… Read more The Property of an Important Asian Private Collector
Patek Philippe. An extremely fine and possibly unique 18K gold perpetual calendar chronograph wristwatch with moon phases, 24 hour and leap year indication, special execution gilt dial with gold Breguet numerals, original certificate, sales tag and additional case back

Signed Patek Philippe, Geneve, Ref. 3970, movement no. 3'048'466, case no. 4'125'970, manufactured in 2006

Details
Patek Philippe. An extremely fine and possibly unique 18K gold perpetual calendar chronograph wristwatch with moon phases, 24 hour and leap year indication, special execution gilt dial with gold Breguet numerals, original certificate, sales tag and additional case back
Signed Patek Philippe, Geneve, Ref. 3970, movement no. 3'048'466, case no. 4'125'970, manufactured in 2006
MOVEMENT: manual, Cal. CH 27-70 Q stamped with the Geneva seal, 24 jewels
DIAL: gilt, applied yellow gold Breguet numerals, two apertures for day and month, three subsidiary dials for constant seconds combined with 24 hour indication, 30 minute register combined with leap year indication and date combined with moon phases
CASE: 18K gold, glazed display screw back, two round chronograph buttons in the band, 36 mm. diam.
SIGNED: case, dial, movement
BUCKLE: 18K gold Patek Philippe deployant clasp
ACCOMPANIED BY: Patek Philippe Certificate of Origin stamped by Salons Patek Philippe, Genève and dated 18 April 2007, original sales tag, additional solid case back, wooden and gold setting pin and leather. Furthermore delivered with Patek Philippe Extract from the Archives confirming production of the present watch with yellow gold Breguet numerals in 2006 and its subsequent sale on 18 April 2007.
Special Notice
On lots marked with an + in the catalogue, VAT will be charged at 8% on both the premium as well as the hammer price. Many of the watches offered for sale in this catalogue are pictured with straps made of endangered or protected animal materials such as alligator or crocodile. These endangered species straps are shown for display purposes only and are not for sale. Christie’s will remove and retain the strap prior to shipment from the sale site. At some sale sites, Christie’s may, at its discretion, make the displayed endangered species strap available to the buyer of the lot free of charge if collected in person from the sale site within 1 year of the date of the sale. Please check with the department for details on a particular lot.

Lot Essay

The present reference 3970 is an extremely rare and highly attractive example of the celebrated model. In fact it is believed to be the to date only known ref. 3970J featuring a gilt dial and applied gold Breguet numerals, made to special order for its first owner and confirmed by the Certificate of Origin and the Extract from the Archives.

Purchased by the present owner at Christie’s Hong Kong in November 2013 the watch has remained in his collection ever since and is now being offered only for the second time at auction. It has evidently never been used and is preserved in superb overall condition, the gilt dial combined with the much coveted Breguet numerals rendering it an extremely elegant appearance.

This “only second owner since new” timepiece, in near mint condition and with a special execution dial represents a rare trophy for the aficionado of unique watches.

Reference 3970
In 1986, Patek Philippe launched a new generation of the perpetual calendar chronograph wristwatch, designated reference 3970, replacing the hugely successful reference 2499 (see lot 128 in this auction) in production in four different series from 1951 to 1985. The main difference in the movement was the arrival of the new Lemania base ébauche which replaced the Valjoux movement used for the previous 50 years.

Starting with movement number 875'000, the first series of reference 3970 were 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 (see lots 92 – 95 in this auction).

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

Reference 3970 and calibre 27-70 Q are illustrated in Patek Philippe Wristwatches by Martin Huber & Alan Banbery, second edition, pp. 305 – 308, reference 3971 in Patek Philippe Museum - Patek Philippe Watches, Vol. II, p. 307.

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