Patek Philippe Calatrava 18k gold gent's wristwatch ref. 3520D with original papers almost unworn

A high-quality luxury gent's wristwatch from a first owner
Patek Philippe
Genéve
Calatrava
in 18k gold case
Reference: 3520/D
caliber: 177
Sold on December 10, 1988
With original Patek Philippe papers: original certificate, Patek Philippe booklets, a copy of the original invoice

Details to the watch
Dial
Porcelaine dial, white
roman numerals
lance hands
signed
very good condition

Movement
mechanical movement with manual winding
bridge movement
Geneva stripe decoration
Isochronism & 5 positions adjusted
18 jewels
Gyromax balance
blued balance spring
2 Geneva quality hallmarks
shock protection for balance and escape wheel
ruby endstone on balance and escape wheel
signed
The movement was recently professionally overhauled, it is fully functional and is in a very good working condition.

Case
18k gold
screwed back
PPC original crown
diameter: approx. 32mm without crown
lenght: 37mm including lugs
signed
very good condition

Bracelet
almost as new, extra-long Patek Philippe crocodile leather bracelet with Patek Philippe 18k gold buckle
The watch is fully functional and is in a very good total condition.

The watch has been checked for running behavior, originality and function, the buyer receives a 12-month warranty on the function.