View full screen - View 1 of Lot 24. Reference 2509 Calatrava | A yellow gold wristwatch, Made in 1959.

Patek Philippe

Reference 2509 Calatrava | A yellow gold wristwatch, Made in 1959

Lot closes

March 31, 04:24 PM GTNN

Estimate

10,000 - 20,000 USD

Starting Bid

9,000 USD

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Lot Details

Description

Dial: silvered

Caliber: cal. 12-400 mechanical, 18 jewels

Movement number: 727'823

Case: 18k yellow gold, screw down case back

Case number: 2'601'068

Closure: 18k yellow gold Patek Philippe buckle

Size: 35 mm diameter

Signed: case, dial and movement

Box: no

Papers: no

Accessories: Patek Philippe Extract from the Archives confirming the year of manufacture in 1959 and the date of sale on 11 June 1959

The reference 2509 is also known as 'Grande Calatrava Waterproof' and was launched in 1950 alongside its sister reference 2508. The two differ by having either sweep seconds or subsidiary seconds such as the present watch.


Introduced during a period when Patek Philippe emphasized both aesthetical and technical refinement, the reference 2509 was notable for its robust waterproof case crafted by Taubert & Fils, marked by Geneva Key 11 on the inside case back, a notable maker that spearheaded modern case making and that was famous for their screw down case back designs.