Introduction:
This Patek Philippe 3990EJ Perpetual Calendar Chronograph watch features a manual winding movement with a perpetual calendar, chronograph, moonphase.  With a Baguette set diamond bezel set with 44 baguette cut diamonds to total 2.77 carats, and with a diamond set black dial and new Patek alligator strap with original 18K Yellow Gold deployant clasp.

Date & Paperwork: 
The watch was made in 1999.  The watch comes with its original blank unedited certificate of origin, wallet, stylus and original wood box.  Additionally, the watch comes with a two year movement guarantee.

Essay:  Reference 3990 was in production between 1995 and 2005 and was replaced by reference 5971. Made in yellow, white, and pink gold as well as platinum, this watch represents the first time Patek Philippe made a complicated jewel-set watch in series. Only about 250 of the reference 3990 was made in its twenty year history.

Specifications: 
Reference Number: 3990EJ
Year: 1999
Movement: Manual Winding
Case Diameter: 36mm
Dial Color: Black
Band Type: Alligator Strap 
Functions: Perpetual Calendar, Moonphase, Chronograph
Thickness: 13mm