Cheap Patek Philippe Replica unveiled its fifth “Advanced Research” limited-edition timepiece today at Baselworld, and it’s not just a showcase for two impressive technical innovations but also an anniversary piece for the brand’s sportiest collection. Here’s what you should know about the Patek Philippe Aquanaut Travel Time.

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The Patek Philippe Replica Watches celebrates its 20th anniversary in 2017. The watch that commemorates this milestone — the Ref. 5650 Aquanaut Travel Time “Patek Philippe Advanced Research” — has an 18K white-gold case measuring 40.8 mm in diameter and 11 mm thick and water-resistant to 120 meters. It is equipped with the cleverly conceived dual time-zone function that Patek has used in previous models such as the Calatrava Pilot Travel Time and Nautilus Travel Time, and its self-winding movement features, for the first time, two major technical innovations: an optimized Spiromax balance spring with an inner boss; and the so-called flexible mechanism for the time-zone settings. The watch will be issued in a limited edition of 500 pieces.

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The watch contains Patek’s automatic caliber 324 S C FUS, which in this model has been enhanced with two innovations developed by the Patek Philippe Advanced Research laboratory. The first is the Spiromax balance spring made of Silinvar, which is equipped with two terminal curves and optimized with an inner boss. It improves the isochronism of the balance in the vertical orientations of the watch. As a result, its rate accuracy ranges between -1 and +2 seconds per day — similar to the precision of Patek Philippe Replica tourbillon watches.

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The second innovation involves the time-zone setting device, which replaces the usual pivoting articulations with so-called “compliant” or flexible mechanisms. This device, which is composed of only 12 filigreed steel parts with several intersecting leaf springs — as compared to the 37 parts used in the more traditional mechanism — transmits the actuations of the two time-zone pushers to the local time display.

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As on other Travel Time watches in other Patek Philippe Replica Watches families, this Aquanaut displays the local time and date as well as a second time zone and a day/night indicator for both time zones. Two pushers in the left-hand case flank control the settings. On trips across several time zones, the local time hour hand can be adjusted forward or backward in one-hour steps. In the process, the day/night indicators and, if applicable, the date are also changed. When the owner is headed east, the local time is set with the pusher at 8 o’clock. The pusher at 10 o’clock corrects the local time on westbound trips.

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The Cheap Patek Philippe Replica Advanced Research”is mounted on a night-blue strap, with an embossed pattern that echoes that of the dial, made of a water-resistant composite material. It fastens with a three-part foldover clasp in 18k white gold.

Cheap Patek Philippe Replica, which famously gave the world its first wristwatch with a perpetual calendar in 1925, reached into its prestigious history with that complication to inspire the new Ref. 5320G, launched at Baselworld 2017. While much post-Basel attention has been justifiably paid to Patek’s technically groundbreaking “Advanced Research” piece, the Aquanaut Travel Time Ref. 5650G, this new perpetual calendar timepiece and its “retro-modern” design should not be overlooked.

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The Patek Philippe Ref. 5320G Perpetual Calendar bears the vintage influence of several historical predecessors, including that groundbreaking 1925 model — a unique piece dubbed 97’975, and currently part of the collection at the Patek Philippe Replica Watches— as well as several other perpetual calendar watches from the 1940s and 1950s, most of which make only rare appearances nowadays, usually on the auction block. Patek first integrated the perpetual calendar wristwatch into its regular collection in 1941 with the introduction of Ref. 1518, a watch that combined a perpetual calendar with a chronograph. A year later, Ref. 1526, a model without a chronograph function, debuted. Both pieces pioneered the distinctive dial design that still today defines Patek Philippe Replica perpetual calendar timepieces: a double aperture directly below 12 o’clock for the day and month displays, and a subdial at 6 o’clock with a moon-phase indicator surrounded by an analog date display. This watch, with its historical-looking cream-colored lacquer dial, adds a few new, subtle elements to this classical layout: a small, round day-night aperture between 7 and 8 o’clock and a round aperture for the leap-year cycle, with Arabic numerals from 1 to 4, between 4 and 5 o’clock. Other familiar elements include the applied gold Arabic numerals and five-minute cabochons with luminous coating, fine-tipped baton hands filled with Super-LumiNova, a thin, counterbalanced sweep seconds hand; and the graduated seconds scale around the dial’s perimeter.

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The watch’s manufacture movement is Caliber 324 S Q, based on Patek’s self-winding Caliber 324, which is powered by a large rotor in 21K gold. On the dial side are four disks for the perpetual calendar displays, each rotating at its own rate inside its dial aperture: the day disk, at one revolution per week; month disk, at one revolution per year; leap year disk, at one full cycle over eight years; and the day/night disk, at one rotation per day. The moon-phase disk, behind the analog date at 6 o’clock, requires only one single-day correction every 122 years — which corresponds to a miniscule daily error of 0.02 per mil. The other side of the movement boasts the array of haute horlogerie finishes and technical refinements for which Replica Watches has become renowned: bridges with round-chamfered and polished edges; Geneva striping; gold-filled engravings, screws with polished, chamfered slots in bores with polished countersinks; a Gyromax balance with Spiromax balance spring made of high-tech Silinvar; and the aforementioned solid-gold rotor, suspended between ball bearings and decorated with perlage, circular graining, and an engraved Calatrava cross. Like all modern Patek Philippe calibers, this one meets the strict precision and quality criteria of the Cheap Patek Philippe Replica seal, meaning, among other things, that its maximum rate deviation ranges between -3 and +2 seconds per day.

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Further demonstrating Patek’s attention to detail, and adherence to this watch’s heritage, even the design of the lugs comes from a 60-year-old predecessor. The Patek Philippe Replica Watches introduced the prominent, three-tiered, lug profile revived in the Ref. 5320G, which — in combination with the flat case middle, the beveled, polished bezel, and the overarching, curved crystal — makes for an elegant silhouette on the wrist. Also, a bonus for those who prefer an even more vintage-appropriate style: the watch comes with a solid white-gold caseback that can be swapped with the sapphire exhibition back.

The 20th anniversary of the Aquanaut is not the only milestone that Patek Philippe is celebrating in 2017. The company’s self-winding, micro-rotor Caliber 240 turns 40 in 2017, and variations of it appear in several new models, including the skeletonized version at the heart of the Patek Philippe Calatrava “Squelette” Ref. 5180/1R-001. Here’s a closer look at the watch.
Patek Philippe first introduced a skeletonized variation of its iconic Calatrava to its regular collection in 2008. The new model, whose movement is designated Caliber 240 SQU spotlights not only the intricate art of skeletonization but also the painstaking craft of filigree engraving. Caliber 240 SQU’s plates and bridges are pierced to the maximum extent possible to allow the most ideal view of the movement’s inner workings without compromising its functionality. Aesthetic highlights include the opeworked plate directly above the mainspring barrel, which offers a tantalizing glimpse of the coiled mainspring underneath the carefully formed Calatrava cross — a symbol that has been a Cheap Patek Philippe Replica registered trademark for more than 100 years. In all, Patek Philippe says, the skeletonization of each movement requires more than a full week of work.

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After the skeletonization come further refinements on the workbench of an engraver, who devotes more than 130 hours, according to Patek, to add arabesque and volute decorations to the remaining structures of the movement. Among these flourishes are a “Patek Philippe Genève” brand signature on the barrel frame, around the decorated Calatrava cross, and a “PP” emblem, signifying the brand’s Patek Philippe Replica Watches, on the microrotor, which is made of 22k rose gold. In the final step, the movement parts are plated in rose gold and polished to achieve a visual harmony with the case and bracelet. The movement-holder ring that frames Caliber 240 SQU, made of 5N rose gold, is also openworked, pared down to the 12 spokes that serve as hour markers in lieu of a traditional dial.

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This drastically skeletonized movement’s horological performance remains sound, meeting the high standards of the Patek Philippe Replica, the brand’s in-house quality certification, with a rate accuracy of -3 to +2 seconds per day. Measuring 27.5 mm in diameter and a slender 2.53 mm in height, Caliber 240 SQU is comprised of 159 parts, including 27 jewels, and offers a 48-hour power reserve.

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This elegant yet minimalist movement finds its home in a similarly understated round case, made of 5N 18k rose gold and measuring 39 mm in diameter and 7 mm thick. Topped on the front and back sides with large-format sapphire crystals, the Cheap Replica Watches case is water-resistant to 30 meters. The time is elegantly indicated by baton hour and minute hands made of blackened 18k white gold. The bracelet, also made of 18k rose gold, is secured by a fold-over clasp.

Patek Philippe has been associated with perpetual calendar chronographs for several decades now. Not only was Patek the first to unite both complications in a wristwatch (with the ref. 1518), but the brand even added, in some references, a split-seconds function or a minute repeater to this already prestigious package. At the 2014 Baselworld watch fair, Patek introduced a new color to its “entry-level” perpetual calendar chronograph, a white gold case with a blue dial.

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It’s quite difficult to imagine, but the Patek Philippe 5270 is actually the simplest perpetual calendar chronograph of the collection; keep in mind that the two other references with these complications also feature a split-second or a minute repeater. Clearly, though, the 5270 is not a simple watch. It is the latest edition in a long lineage that began with the reference 1518, the world’s first perpetual calendar chronograph, introduced in the middle of the 1940s. This extremely rare bird was produced for only 13 years, in 281 pieces, and features a movement based on a Valjoux ébauche but highly modified and adorned with the Geneva Seal. A few years later, during the early 1950s, Cheap Patek Philippe Replica launched the Reference 2499, an improved edition of the perpetual calendar chronograph. Very similar in design, the 3970 and the 5970 came after that, with minor improvements and updated shapes. But in 2011, the 5270 added something very interesting to this classical model: an in-house movement. No more Valjoux or Lemania base here, but instead pure Patek Philippe.

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Make no mistake about this Patek Philippe 5270. Even if it looks very similar to the previous reference, nothing is the same. The design, layout, movement, case, size… everything is new, but remains classical. Patek Philippe Replica Watches chose not to break the codes, but intended to improve and modernize an icon, when it introduced this reference in 2011 with a silver-white dial. Now, in 2014, Patek Philippe has come out with new dials, including the blue one we had the chance to handle for a few hours.

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A close look allows us to see the polished, beveled angles of the bridges and of the levers; the straight graining of the several elements that compose the chronograph; the polished screw heads and slots; several gold chatons; and Geneva stripes that continue from one bridge to another. The beauty of this movement also comes from its pleasantly deep layout, which permits viewing of all the gears’ and levers’ motions when activating the pushers. Some long-term Patek Philippe Replica collectors may prefer the older Lemania’s bridges, but this one is actually very nice, too. The chronograph does (of course) use a column wheel with a vertical clutch for its engagement – the column wheel is, as is usual with Patek Philippe, hidden by a protective cap (that you can see on the photo above, in the lower part of the movement). The chronograph itself is very classical, with a bi-compax architecture displaying the measured seconds with a central hand, the minutes in a subdial at 3 o’clock and the running second in a subdial at 9 o’clock. Finally, it comes with the precise Gyromax balance wheel, using a free sprung architecture.

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The movement is not the only interesting element here, and turning the watch to the dial side also shows complications. The perpetual calendar components are not visible through the sapphire caseback, as they are positioned on the top of the movement. However, the dial provides lots of information, with a clever and legible display. The day and month are indicated in two windows at 12 o’clock. The date and the moon-phase indicator are displayed in a third sub-dial at 6 o’clock. What is new compared to the previous reference is the way it indicates the leap year and the day/night function. Previously, these two were positioned inside the chronograph’s counters at 3 and 9 o’clock and used hands to point out the information. Not the most practical and legible layout, as it was easy to get confused between the different hands. In the 5270, Cheap Replica Watches Patek Philippe has chosen to use two small apertures – at 4:30 for the leap year and at 7:30 for the day/night indicator. The dial gains increased legibility and aesthetic purity from that aesthetic decision.