PATEK PHILIPPE 3940J FIRST SERIES AUTOMATIC PERPETUAL CALENDAR

PATEK PHILIPPE 3940J FIRST SERIES AUTOMATIC PERPETUAL CALENDAR
Details
Stock # SKU20779
Stock # 20779
Model Name Perpetual Calendar
Brand
Model Ref # 3940
Condition Mint
Gender Mens
Movement Automatic
Case 18K Yellow Gold
Case Shape Round
Case Size 36mm
Crystal
Band / Strap Strap
Dial Silver
Caseback Solid
Complications Perpetual Calendar
Moonphase
Year 1987
Additional Information
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Description
The Patek Philippe reference 3940 perpetual calendar was produced between 1985 through 2006. That is a long time for a watch manufacture to produce a single reference, but the 3940 is no ordinary watch. The presentation of the calendar functions is without par for its balance and clarity. Add to that the dauphine hands, silver dial, applied hour markers and simple caselines and you have the perfect perpetual calendar.

The dial on this watch is original, and is a rare First Series dial, produced only from 1985 to 1987. The characteristics of this dial which are different from the later dials (which were produced in a much larger quantity) are:

* the color of the subdials contrast slightly to the main dial
* the subdials are cut straight into the dial (and more deeply) and do not have the flanged sides that the subdials on all subsequent versions have
* the days and months font is printed on the main dial, versus on the flange of the subdials as seen on later dial versions
* the Day and Month hands extend beyond the subdial’s cavity
* the 'SWISS' at the very bottom of the dial has a Sigma on either side

Case is 18k with dimensions of 35mm diameter by 8.5mm high. Sapphire crystal. The case on this watch is mint.

Movement is the automatic winding Patek Philippe Caliber 240 Q with 27 jewels, 48 hour power reserve, and stamped with the Geneva Seal. This is one of, if not the most, reliable perpetual calendar mechanisms ever produced by any manufacture.

Original Patek 18k yellow gold buckle and unworn vintage Patek strap.
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