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PATEK PHILIPPE 5524G - COMPLICATIONS PILOT TRAVEL TIME SELF-WINDING In 1884, the International Meridian Conference in Washington, D.C. established the system of standard time and the division of the globe into 24 time zones. And ever since, Patek Philippe’s engineers and watchmakers have been using their ingenuity to produce watches with multiple time zones that are both highly legible and easy to use. WATCH Mechanical self-winding movement. Caliber 324 S C FUS. Dual time zone mechanism indicating local and home time. Local and home day/night indication in apertures. Local date by hand. Sweep seconds hand. DIAL Dial: blue varnished, gold applied numerals with luminescent coating. CASE White gold. Sapphire-crystal case back. Water resistant to 60 m. Diameter: 42 mm. Height: 10.78 mm. STRAP Calf leather strap, Vintage brown. Clevis prong buckle. 324 S C FUS SELF-WINDING Diameter: 31 mm. Height: 4.9 mm. Parts: 294. Jewels: 29. Power reserve: Min. 35 hours - max. 45 hours. Central rotor in 21K gold, unidirectional winding. Balance: Gyromax®. Vibrations/hour: 28 800 (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal Press Release Patek Philippe Geneva Baselworld 2015 Patek Philippe Calatrava Pilot Travel Time Ref. 5524 Up, up and away With its new Ref. 5524 Calatrava Pilot Travel Time, Patek Philippe pays tribute to the courageous pioneers of aeronautics, recalls milestones in aviation, and touches upon the fact that the eminent family-owned Genevan manufacture also contributed to the conquest of the skies. Only 24 years elapsed between the Wright brothers' first powered flight on December 17, 1903, and Charles Lindbergh's first Atlantic crossing with his single-engine "Spirit of St. Louis" in 1927. What a short time span for such an epoch-making evolution! A similar transformation occurred in horology within two decades as timepieces migrated from the vest pocket to the wrist. And there's another common denominator between the bold men in their flying machines and watchmakers. As was the case aboard ships on the high seas starting in the 18th century, aviators also relied on timekeeping instruments for navigation. Philip van Horn Weems, an officer of the U.S. Marines, came up with the idea for an hour angle watch which, enhanced according to suggestions by Charles Lindbergh, would allow simpler, faster, and more precise positioning when used together with a sextant and a radio signal. Two particularly noteworthy exemplars of such hour-angle – or siderometer – wristwatches were developed by Patek Philippe and are now both on display at the Patek Philippe Museum. Traveling with and in time Patek Philippe's Ref. 5524 Calatrava Pilot Travel Time is a decidedly masculine watch that aptly symbolizes the conquest of the skies by aircraft and the conquest of the wrist by wristwatches. Rather than being a nostalgic reminiscence of the hour-angle watch that became obsolete with the advent of GPS navigation, it is a precise and dependable timekeeping instrument with a time-zone function that is especially useful in air travel. The local times in Paris and London differ by one hour, those in New York and Beijing by thirteen. We fly "into" time when eastbound and "away" from it when westbound. A few hundred kilometers later, we end up in a different time zone than the one we left, typically the one in which our permanent place of residence is located. Home time refers to that place, whereas local time is where we are. For nearly eighty years, Patek Philippe time-zone watches have adhered to this principle in a unique way. In the 1930s, together with gifted watchmaker Louis Cottier, the manufacture developed its first "Heure Universelle" (World Time) wristwatches. The first patent for the meanwhile legendary Travel Time mechanism was granted to Patek Philippe in 1959. It was extremely simple to operate and simultaneously displayed the time in two different time zones. It was a very welcome instrument in a world where nonstop travel between Europe and America in a matter of hours had become commonplace thanks to modern passenger jets. A tradition of innovation In keeping with "Tradition and Innovation", the philosophy of the manufacture which just turned 175, Patek Philippe refined the two-time-zone mechanism – it was awarded a further patent in 1996 – to a new level of perfection. When the local-time hour hand is moved forward or backward in one-hour increments with the two pushers in the case, an isolator uncouples the time-zone mechanism from the going train. This prevents the degradation of the amplitude of the balance and allows it to continue oscillating at a regular rate. The advantage: the watch continues to run with the accustomed accuracy. In the new Ref. 5524 Calatrava Pilot Travel Time, this advanced mechanism is part of the self-winding caliber 324 S C FUS manufacture movement with a sweep seconds hand, an analog date, and a heavy central rotor in 21K gold. Like the time-zone mechanism, this legendary movement is superbly finished and thanks to ongoing innovation reflects the state of the art in mechanical watchmaking. The Spiromax® spring that breathes in the Gyromax® balance is made of Silinvar®, a derivative of silicon. The special properties of this material, combined with the geometry patented by Patek Philippe, assure high dependability as well as the rate accuracy tolerance of -3/+2 seconds per day as specified by the Patek Philippe Seal. The sapphire-crystal display back reveals beautiful details such as the chamfered bridges with Geneva striping, the circular-grained gold rotor with perlage in the center, snailed flanks, and a Calatrava cross. It features magnificent contrasts with bright shimmering metal, gold-filled engravings, and sparkling red bearing jewels. Elegance in technology The elaborate 294-part movement ticks beneath a dial that unlike conventional aviators' watches is not black but instead stands out with a noble dark navy blue lacquer that resembles the body paint of American fighter planes in the 1930s. Thanks to large applied Arabic numerals in white gold and broad baton-style steel hands with Superluminova coatings, the local time is easily and clearly legible, both during the day and at night. In the typical Travel Time style, the home-time hour hand is skeletonized and remains discreetly in the background. It is hidden beneath the prominent local-time hour hand as long as local and home time are identical. A separate day/night indicator is assigned to both time zones (at 9 o'clock for local time and at 3 o'clock for home time). The analog date at 6 o'clock is totally new: it displays the date in 3-day increments. Because the scale is not cluttered with numerals, it is eminently legible. The sleek classic face of the Calatrava Pilot Travel Time is framed by a large-format 42-millimeter white-gold Calatrava-style case. Its bezel is flat and slightly inclined; the caseband merges elegantly with the lugs that secure the strap bars. The crown and the two time-zone pushers at 8 (+1h) and 10 o'clock (-1h) are fluted for a slip-free grip and add a technical look that suits the design of a precise measuring instrument. Additionally, the time-zone pushers are equipped with a patentpending safety lock that prevents unintended adjustments of the local time setting. Before they can be operated, the pushers must be released with a quarter turn and then locked again with a twist in the opposite direction. The strap that perfectly matches the style of the watch is also designed for safety. It is crafted from vintage brown calfskin with contrast topstitching and recalls the leather belts that belonged to a classic pilot's gear. The white-gold clevis prong buckle follows the theme. It was inspired by the harnesses worn by pilots to keep their survival kits and parachutes readily deployable without hampering their freedom of movement. The Ref. 5524 Calatrava Pilot Travel Time enriches Patek Philippe’s venerable Calatrava collection with a large-format, decidedly masculine model that evokes images of the classic aviators' timepiece. In salient details, however, such as the blue dial, the white-gold case, and the time-zone function, it stands in a category of its own. It doesn't compromise between straightforward technology and contemporary elegance but instead melds both facets in perfect harmony. ALL THE PROVIDED INFORMATIONE ARE FROM THE PATEK PHILIPPE WEBSIDE
|Case material||White gold|