Patek Philippe. A very fine and rare 18ct gold chronograph perpetual calendar manual wind wristwatch Ref:3970E, Case No.2873775, Movement No.875923, Made in 1991
Lot 1274
Patek Philippe. A very fine and rare 18ct gold chronograph perpetual calendar manual wind wristwatch Ref:3970E, Case No.2873775, Movement No.875923, Made in 1991
Sold for HK$ 620,000 (US$ 79,941) inc. premium

Lot Details
Patek Philippe. A very fine and rare 18ct gold chronograph perpetual calendar manual wind wristwatch
Ref:3970E, Case No.2873775, Movement No.875923, Made in 1991
24-jewel Cal.27-70Q manual wind chronograph movement adjusted to heat, cold, isochronism and 8 positions, Gyromax balance with shock-absorption, silvery opaline white dial, faceted 18ct gold hour markers, polished feuille hands, blued steel chronograph hand, outer dot minute divisions, polished dagger hands, subsidiary dials for running seconds with 24 hour indication, 30 minute register with leap year indication, date with moon phases, apertures for day and month, round polished rose gold case with screw on exhibition case back, round chronograph pushers flanking the crown, down-turned lugs, fitted leather strap with 18ct gold Patek Philippe buckle, together with fitted box, Extract from the Archives and setting tool, case, dial and movement signed
36mm.

Footnotes

  • 百達翡麗 罕有18K黃金男裝萬年曆手動上弦計時碼錶 製於1991年

    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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