Patek Philippe. A fine and rare PT950 platinum perpetual calendar chronograph manual wind wristwatch with moon phaseRef:3970EP, Case No.4131137, Movement No.3046291, Sold in 2001
Lot 1210
Patek Philippe. A fine and rare PT950 platinum perpetual calendar chronograph manual wind wristwatch with moon phaseRef:3970EP, Case No.4131137, Movement No.3046291, Sold in 2001
Sold for HK$ 1,160,000 (US$ 149,567) inc. premium

Lot Details
Patek Philippe. A fine and rare PT950 platinum perpetual calendar chronograph manual wind wristwatch with moon phase
Ref:3970EP, Case No.4131137, Movement No.3046291, Sold in 2001
24-jewel Cal. CH27-70Q movement adjusted to temperature, isochronism and position, stamped with the Geneva Seal, free sprung Gyromax balance, black dial, applied diamond hour markers, polished feuille hands, apertures for days and months in English, subsidiary dials for running small seconds and 24 hours recording, 30-minute register and leap year indicator, date and moonphases, brushed and polished case, screw down case back, concave bezel, two chronograph buttons in the band, fluted lugs, fitted leather strap with PT950 platinum Patek Philippe deployant clasp, together with spare maker's leather strap, fitted box, Certificate of Origin, setting tool and PT950 platinum spare numbered case back, case, dial, and movement signed
36mm.

Footnotes

  • 百達翡麗 罕有PT950鉑金男裝萬年曆、月相手動上弦計時碼錶 售於2001年

    When the Reference 3970 was first made, Patek Philippe would upon special request allow a customer to order a custom dial such as this present example. The dial changes were normally after the original sale and this resulted in some interesting and extremely rare case and dial combinations. The 3970 is now considered a very desirable classic. Examples with rare dial combinations, such as this present lot, are highly prized for the discerning collector.

    Patek Philippe commenced production of the modern classic perpetual calendar chronograph Ref:3970 in 1986, as a successor to the much lauded Ref:2499. Ref:3970 comprises a total of four series, which were created in succession until 2004. Less than 100 pieces were produced of the 1st series. Beginning with the movement number 875000, these were chiefly produced in yellow gold with a solid snap-on back. The 2nd series, made between 1989 and 1996, also has a 36 mm sized case, applied gold baton hour markers but a screw down case back. The third series provides the option of solid or sapphire crystal screw-down case backs and the letter 'E' after the reference, signifying the French word étanche for waterproof. The 4th and final series is similar to the 3rd, but with deployant clasps and seven digit movement numbers beginning with 304. Whilst the earlier pieces has feuille hands, the later ones has bâton hands although the exact date of this change is undetermined. Although the same calibre is used for the entire reference, it is generally acknowledged that the earlier serial numbers are more desirable. Production of Ref:3970 ceased in 2005 and it is the inspiration for the Ref:5970.
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