At Baselworld 2012 Patek Philippe presented a perpetual calendar in a cash cushion (“cushion-“), a form that has played an important role in the history of the house of perpetual calendars, declined today in 18 karat yellow gold with Ref 5940J.
5940J Patek Philippe Perpetual Calendar Automatic flat Patek Philippe, began to reassess the ‘ Art Deco – style very sober since the mid-twenties had a great influence on his artistic creations and creations – in 2010 when he launched Ref 5950A steel equipped with a crate of this form. The inspiration for these lines continues after two years with that Ref 5940J, updated contemporary in size, measuring 44.6 mm in length and 37 mm in width, but its elegance is emphasized even more by the thickness measuring only 8 , 6 mm. Precisely this element is constructed from manufacture with traditional methods for cold forming of a sheet of yellow gold.
The profile of this timepiece has curved sides which extend up over the loops integrated, the pad is interchangeable with a crystal sapphire which allows to see the ultra Caliber 240 Q which measures 3.88 mm thick and is formed from 275 components. The motion base, which was launched in 1977, with minirotore eccentric 22-carat gold inserted in the platen, has only a thickness of 2.53 mm. The remaining 1.35 mm thickness is occupied by the form of perpetual calendar.
As with all watches of this complication is able to show the right date, taking into account the length of all the months of the year including February 29 leap years. He will need to be adjusted only by a watchmaker in 2100, Secular years according to the Gregorian calendar is not a leap year. The difference of the phases of the moon is one day every 122 years.
According to the standards, the Patek Philippe Seal is imposed for mechanical gauges with a diameter equal to or greater than 20 mm, the precision of the basic movement should be between -3 and + 2 seconds a day.
The dial has a white cream Grene that blends in well with shades of yellow gold. On the outside the scale minutes printed in black follows the contour of the bezel. The indices are applied Breguet figures and for the hour and minute hands are in style “feuille”. The calendar displays are shown on three subsidiary dials: 9 o’clock on the day of the week and 24-hour indication, at 3 month and the cycle of leap years. At 6 o’clock, we are given with a needle and the window of the lunar phases.