Patek Philippe 2494J Calatrava Watch

Introduction:
This 2494J Patek Philippe Calatrava watch features a 33 mm in diameter case, with a silver white dial, and sub second hand. The watch was fitted with the new advanced anti magnetic movement of the period. The watch comes with a 27 AM 400 caliber movement, #731089 and case #517577.

Date & Paperwork: 
The watch was made in 1962, confirmed with an extract from the archives confirming its date of manufacture and further sale.  Additionally, the watch comes with a one year movement guarantee.

Essay:    
This reference was launched in 1950 and continued until 1962. The case was made by the Geneva master case maker George Croisier, identified with a key number 5.  There are three movements used in the reference:  1^st series caliber 12 120 starting in 1950, 2^nd series caliber 12 400 starting in 1951, 3^rd series caliber 27 AM 400 starting in 1960.