Patek Philippe 5940 Reference Guide

The Patek Philippe reference 5940 is a perpetual calendar wristwatch presented in a cushion-shaped case. It offers a classic interpretation of one of Patek Philippe's signature complications, distinguishing itself with its distinctive case geometry that provides an alternative to the more common round or rectangular perpetual calendar offerings from the manufacture. The reference was initially introduced in yellow gold, with subsequent variants in other precious metals. It represents a refined option for collectors seeking a traditional perpetual calendar with a unique aesthetic.

The watch features an 18k white gold case measuring 37 mm in diameter and 8.6 mm in thickness, housing the ultra-thin self-winding caliber 240 Q. This movement, visible through a sapphire crystal case back, provides a power reserve of 48 hours. The silvery-white dial displays the perpetual calendar indications, including day, date, month, leap year cycle, and moon phases. A sapphire crystal protects the dial, and the watch is water resistant to 30 meters.

Appealing to collectors who appreciate both horological complexity and distinctive design, the 5940 offers a blend of traditional watchmaking and a less conventional case shape. Its cushion case provides a comfortable fit and a notable presence on the wrist, while the perpetual calendar complication ensures its enduring relevance as a high-complication timepiece. The reference has been produced in various gold alloys, offering collectors choices within this specific model line.

The Patek Philippe reference 5940J-001 is a perpetual calendar model distinguished by its cushion-shaped case, a design element that sets it apart from many of the brand's more traditional round-cased perpetual calendars. Introduced at Baselworld in 2012, this reference was the initial yellow gold variant within the 5940 series, which later expanded to include white gold and rose gold iterations.

This timepiece features a yellow gold case measuring 37 x 44.6 x 8.48 mm. It is powered by the ultra-thin self-winding caliber 240 Q, a movement known for its perpetual calendar mechanism and integrated micro-rotor. The watch is fitted with a sapphire crystal, allowing for a clear view of the dial and offering scratch resistance.

For collectors, the 5940J-001 represents a specific aesthetic within Patek Philippe's perpetual calendar offerings, appealing to those who appreciate a less common case silhouette combined with a highly regarded complication. Its introduction in yellow gold established the series, with subsequent metal variants broadening its appeal to different collector preferences.