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It is absolutely legitimate to assign Patek Philippe's split-seconds or rattrapante chronographs to the category of Grand Complications which also includes minute repeaters, tourbillons, and particularly elaborate calendar mechanisms as well as astronomical functions. The Ref. 5951P, which combines a split-seconds chronograph with a perpetual calendar, will therefore no doubt rank among the most exciting debuts at this year's Baselworld show.The specifications imposed another challenge: the movement was to be as thin as possible. Patek Philippe's CHR 27-525 PS basic caliber is already the thinnest column-wheel-controlled split-seconds chronograph movement, so it seemed appropriate that the perpetual calendar cadrature should be similarly discreet. The task was compounded by the fact that the movement has a diameter of only 27,3 mm. Nonetheless, the workshops succeeded in designing a calendar module with a day/night display that indicates the date, day, month, leap year cycle, and moon phase yet measures only 2.05 mm from top to bottom. Together with the basic movement, this adds up to an overall height of just 7.3 mm, *** the new Ref. 5951P the thinnest rattrapante chronograph with perpetual calendar ever crafted by Patek Philippe.Perpetual calendar with moon-phase displayThe outcome of this innovation is a perpetual calendar with a moon-phase display comprising 148 individual parts in a cadrature with a diameter of just 27,3 mm and a height of 2.05 mm. It controls a moon-phase display and an analog date as well as the day, the month, the day/night indication and the leap-year cycle in apertures.This module with a perpetual calendar was developed expressly for the CHR 27-525 PS split-seconds chronograph movement launched in 2005 and now joins it in the new caliber CHR 27-525 PS Q. Due to its extreme complexity, this caliber is exclusively hand-crafted one by one. Among its special features is the 60-minute chronograph counter driven via the cannon pinion, an ingenious construction that contributes significantly to the ultra-thin silhouette of the movement. Of course, the chronograph wheels of the caliber also have Patek Philippe's patented tooth profiles that improve its efficiency, reduce friction, and boost functional reliability when the chronograph is engaged.Its Gyromax balance wheel is fitted with a Breguet balance spring that breathes with a frequency of 21,600 semi-oscillations per hour (3 hertz). The chronograph's start, stop, and reset commands are activated by a single in-crown pusher. Lap times are stopped with a rectangular push piece at 2 o'clock.Elegance and legibilityThe design of the dial also proved to be a challenge. In a relatively small area, it delivers no fewer than 12 indications: three hands for standard time in hours, minutes, and seconds, three hands for the splitseconds chronograph functions, plus the day, month, date, leap-year cycle, moon phase, and day/night indication. Mission accomplished: despite the density of information that it provides, the sporty black dial of the Ref. 5951P is quickly and easily readable. The moon-phase display in the gracefully curved aperture at 12 o'clock deviates from the true lunar cycle by only one day in 122 years.Standard time is indicated with leaf-shaped white-gold hands and applied baton-style hour markers. For contrast, short-time measurements are tracked with red hands. The fine tips of the chronograph and rattrapante hands follow a scale that precisely emulates the contour of the cushionshaped bezel. The subdial for the analog date is positioned at 6 o'clock flanked by round apertures for the day/night indicator and for the leap-year display. For once, the years are indicated with Arabic rather than Roman numerals, emphasizing the modern, masculine style of this split-seconds chronograph. The days of the week are displayed in an aperture between the date scale and the seconds subdial, whereas the month aperture is symmetrically positioned on the 60-minute counter side. With such a clear and aesthetic time and calendar data presentation, Patek Philippe demonstrates yet again that it tolerates no compromises, neither in functionality nor in design.A contemporary, art-deco-inspired platinum caseIn the spectrum of classic case materials, platinum occupies a special position, and because it is so hard, it is very difficult to machine. Accordingly, Patek Philippe often chooses this precious metal to pay tribute to an exceptional movement. This also applies to the Ref. 5951P (P = platinum), which has been endowed with a cushion shaped case to accommodate its ultra-thin movement. It is reminiscent of the famous art-deco watches for which the manufacture received rave reviews in the 1920s and 1930s.The rectangular rattrapante pusher in the side of the case at 2 o'clock �C it is used to stop lap times �C was also inspired by historic models. Next to it is the knurled crown which contains the pusher that controls the chronograph. The sapphire-crystal glass duplicates the cushion shape of the case, a square form with curved sides. The sapphire-crystal insert in the snap back has the same contour. It is a show window on a magnificent movement, revealing many hand-finished components, the elaborate rattrapante mechanism, and the rhythmic beat of the Gyromax balance wheel. It is a sight that will never bore the true watch enthusiast even though the ballet repeats itself infinitely.

Home > Patek Philippe > Patek Philippe Perpetual Calendar WatchPatek Philippe Perpetual Calendar WatchAugust 31st, 2010adminLeave a commentGo to commentsUltra-thin perpetual calendar watch movement with its sophisticated and sleek design classic, a Patek Philippe technology and style of the best representatives. Latest watch slightly increased, even more slim case, dial more legible.Legend watch itemsComplex functions as a classic watch, perpetual calendar Patek Philippe watch in the many treasures in a very high honor. Patek Philippe 1839, the beginning of plant, machinery design complex function is mainly used to manufacture pocket watch, only began to be used up to watch in 1925. Hundreds of roulette, gears, cams and levers operate Concorde, just like playing a lively ballet dance, bit of time recorded history. In 1985, the first ultra-thin Patek Philippe perpetual calendar watch (Ref.3940) officially put into operation, entered a super-complicated menus in the new era. It has a perfect dial design, a Patek Philippe is one of the most popular complex menu. Today, Patek Philippe on a new interpretation of the original design.Exceptional caseNew 18K White Gold Ref5140 the case smooth rounded lines and simple symmetry, this style is a Patek Philippe watch one of the factors of success. The watch’s diameter from 36 mm to 37.2 mm, the whole is even more slim. Raised bezel to replace the original type section of the recessed bezel, case of geometric beauty arises spontaneously. Watch ear soft curves, elegant chic to converge on the case and strap.Clear harmonyTo highlight the uniqueness of classical sheet goods, Patek Philippe Perpetual Calendar watch is still using the original dial, kept the harmonious distribution of three small dials, highlighting the purity and eternal charm. As the date of the most important shows, designers have been improved and expanded calendar dial at 6 o’clock position, to make it more legible, while retaining the other two small dial in the original size. Week show at 9 o’clock, includes 24-hour display, the need to adjust the calendar can be used to distinguish between day and night. 3 o’clock position of the small dial shows the month in which the target can be labeled small, then it is a leap year. The watch also has a moon phase display, the window at the date dial at 6 o’clock position, the operation of the whole device is very precise, time 122 years and 45 days shy of the real day lunar cycle. Reflecting soft silver-white dial and elegant luster, platinum short time scale and vertical Dauphine hour, minute, and glorified.Precision movementautomatic winding movement caliber 240 Q out to the Patek Philippe Advanced tab workshops. And Patek Philippe, like other movements, caliber 240Q has a well-known Geneva quality seal. Although the movement formed by the 275 components, but only 3.88 mm thick. All this thanks to 22K gold micro-eccentric pendulum, calendar, and moon phase ingenious device configuration. Calendar of mechanical memory device up to 1461 days (four years), can accurately display the date automatically, including large and small month, and is a leap year on February 29, until 2100 only need to adjust the time (Gregorian calendar year, excluding 2 29). Embedded in the case of the four side push engines to adjust the calendar display.Watch Forum RookieRef5140 has a smooth hand-stitched black crocodile leather strap and white gold Patek Philippe buckle folding watch perfect match. Patek Philippe and other super-complicated menus, like the watch with two back cover can be changed. Sapphire crystal back cover so that the beauty of panoramic view of the movement’s precision, grinding bevel plywood, round wood plate movement, and the splint and the Geneva auto plate decoration is clearly visible; pure real gold back cover, the name can be engraved at the top , letters or inscriptions, only through authorized Patek Philippe Service Center before installation. Ref5140 will eventually replace the current watch Patek Philippe Perpetual Calendar Ref. 3940.