Patek Philippe Reference 725/2 | A yellow gold open faced perpetual calendar watch with moon phases, Made in 1951 | 百達翡麗 型號 725/2 黃金萬年曆懷錶備月相顯示，製作年份 1951

Patek Philippe

Reference 725/2
A yellow gold open faced perpetual calendar watch with moon phases, Made in 1951

百達翡麗 型號 725/2
黃金萬年曆懷錶備月相顯示，製作年份 1951

Dial: silvered
Caliber: 17"' ligne movement, 18 jewels
Movement number: 931'100
Case: 18k yellow gold, snap on case back
Case number: 697'637
Size: 46 mm diameter
Signed: case, dial and movement
Box: no
Papers: no
Accessories: Patek Philippe Extract from the Archives confirming the date of sale on December 4, 1957

Condition Report:
Case: The case back most likely had a monogrammed, now removed, due to the ripple finish of the case back. Otherwise, it is in good condition with visible surface scratches throughout. Some light marks around the pusher on the case band at 3 o'clock.The gold mark on the pendant is slightly rubbed but visible.

Dial: The dial is in overall good condition. The signature is in raised enamel.

Movement: The movement is running at time of cataloging, however it was not tested for the accuracy of time or duration of the power reserve and may need service at the buyer's discretion. Please note that Sotheby's does not guarantee the future working of the movement.

Catalogue Note:
Reference 725 was launched in 1950, a year before the reference 1518 and 1526, and was produced until at least 1981. It was made in two main series, the first with four subsidiary dials and the second commonly known as the ‘American calendar display’, which is a calendar in which the date is displayed in a single linear aperture allowing for a clearly legible dial which could be read at a glance. This type of display was invented in the early Art Deco period and is most often found in watches destined for the Anglo-American market. The case, with very crisp and sharp lines, is very reminiscent of the perpetual calendar wristwatches made by Patek Philippe at the time, most notably the perpetual calendar references 3448 and 3450. This reference and similar watches made during this period are now popular with wristwatch collectors due to the very similar case designs.