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Patek Philippe Perpetual Calendar Reference 3940 In 18K Yellow Gold

Iconic Swiss watchmaking manufacturer, Patek Philippe of Geneva, made history in 1925 for creating the world’s first perpetual calendar wristwatch. The reference 3940 perpetual calendar is an outstanding example of the firm’s unparalleled watchmaking tradition and artistry.

Displaying both outstanding complexity, beauty, and function, the perpetual calendar astounds as one of horology’s grand complications. The timepiece features a staggering 27 jewel movement and accounts for all deviations in each month, day, date, and leap year, holding the mechanical memory of four entire years. In further mechanical complexity, the watch displays the moon’s phases at the 6 o’clock dial. Displaying incredible precision, the complex mechanism is adjusted to 5 positions, heat & cold isochronism for accuracy, and is water-resistant to 25 meters. The timepiece features a classic white enamel dial with elegant gold baton markers and hands.

The watch is housed within a timeless 18K yellow gold case, with elegant tapered lugs and a stylish beveled case design. A genuinely momentous addition for any new or seasoned watch collector.

This outstanding timepiece bears a complete restoration and an 18-month warranty.

Reference 3940J

Movement # 3126769

Caliber 240


Circa 2000


SKU: PCOL SSHOPP3940P $66,000 Inquire
If you would like to purchase this item or learn more about it, please click on the Inquire link above or phone the Renaissance Showroom at 805-688-1976, open seven days a week from 10 to 6.
  • Swiss
  • Patek Philippe
  • 18K Yellow Gold Case
  • Exhibition Back
  • 36mm
  • Sapphire Crystal
  • Reference 3940J
  • Movement #3126769
  • Caliber 240, Automatic Wind
  • 27 Jewel Movement Adjusted to Heat, Cold, Isochronism, & 5 Positions
  • Dial Display: Day, Date, Month, Leap Year, Moon Phase, & 24 Hour Time
  • Restored, 18-Month Warranty
  • 2000