INTERNATIONAL WRISTWATCHES: Hamilton Khaki Pilot X-Match

2.20.2010

Hamilton Khaki Pilot X-Match

The sonic factor

Hamilton introduces Khaki X-Mach with its integrated facility to measure an aircraft’s speed relative to that of sound

The Khaki X-Mach takes Hamilton aviation watches to exhilarating new heights with its facility to measure the Mach number of an aircraft, the speed it is moving through the air divided by the speed of sound under the same atmospheric conditions. This sophisticated chronograph timepiece expresses the inspiration of the skies through relentless attention to detail and bold looks reminiscent of the cockpit. The Khaki X-Mach assures happy landings for its stylish wearer, with a combination of soave elegance and mechanical fascination.

Mechanics in motion

Pilots simply set the pressure altitude (PA) and calibrated air speed (CAS) measured by the instrument in the cockpit by turning the right crown of the watch to reveal the Mach number in ISA (International Standard Atmosphere) conditions on the bezel. This transforms the timepiece into a stunning portable Machmeter. For wearers with their feet firmly on the ground, the Hamilton Khaki X-Mach watches increase the exhilaration factor with dynamic, sporty design. Aviation-inspired style elements include wing-shaped metal and carbon-fiber surrounds to protect the crowns, as well as nostalgic flying-jacket style stitching and studs on the bracelet. Tiny red touches, for instance at the tip of one of the counter hands, remind of high-precision cockpit instruments. A red compass-style arrowhead on the crown and on the back case symbolizes speed and signs off the ultimate aviator’s style statement.

Flying colors

All of the variations of the Hamilton Khaki X-Mach have a smooth black dial with easy to read silver-colored indices and matching counter frames. There is a choice of a black or silver colored case with fine white or black numerical markings around the bezel to give it the look of an altimeter.

The date display is at 9 o’clock and framed with a shape resembling the wedge put underneath a plane’s wheels when it is stationary on the tarmac.Its surface is finely decorated with an elegant ‘Clous de Paris’ guilloché pattern.For the bracelet, wearers can either select brown leather to coordinate with the flying jackets, headgear and gloves of yesteryear, or contemporary black leather or rubber attachments. In all of its interpretations, the Khaki X-Mach is ready for take-off, on airport and fashion runways.

International Standard Atmosphere (ISA) is an atmospheric model of how the pressure, temperature, density and viscosity of the earth’s atmosphere change over a wide range of altitudes. It consists of tables of values at various altitudes.

Calibrated Airspeed (CAS) is a measure of the speed at which an aircraft is moving through the air.

Pressure Altitude (PA) is the indicated altitude when an altimeter is set to an agreed baseline pressure
setting. This setting – 101,325 Pa, equivalent to 1013.25 millibar (or hectopascals), or 29.92 inches Hg – is equivalent to the air pressure at Mean Sea Level (MSL) in the ISA.

Mach Number (Ma or M) is the speed of an object moving through air, or any fluid substance, divided by the speed of sound as it is in that substance. It is commonly used to represent an object‘s speed, when it is travelling at (or at multiples of) the speed of sound.
Mach 1.0 is the speed of sound, Mach 2 is twice the speed of sound etc.

MACH Number is a speed measurement used by high performance aircraft. It is based on the ratio of the speed of an aircraft to the speed of sound under the same atmospheric conditions. When an airplane is flying at the local speed of sound, it is flying at the speed of MACH 1.

Example: An airplane is flying at Flight Level 150 (FL 150) - which corresponds to a Pressure Altitude (PA) of 15'000 ft - with a Calibrated Airspeed of 400 kts.
Unscrew the crown, turn the upper interior rotating bezel and set 15 (FL150) facing 400 kts on the lower interior bezel. The Mach Number indicator shows you the corresponding Mach Number of 0.78 on the exterior bezel.

Khaki X-Mach Auto chrono

Size : 44 mm
Material : Stainless steel
Dial Color : Black
Attachments : Brown leather/black leather with carbon-fiber/black rubber/steel
Movement : Automatic 7750
Crystal : Sapphire
Water resistance : 100 m
Special Function : Mach Number calculator

REFERENCE : H76686735

NAME : KHAKI X-MACH

STRAP : black leather

REF. STRAP: # H600.766.101 //

REFERENCE : H76626535

NAME : KHAKI X-MACH

STRAP : brown leather

REF. STRAP : # H600.766.103 //

REFERENCE : H76626135

NAME : KHAKI X-MACH

STRAP : steel

REF. STRAP : # H605.717.100 //

REFERENCE : H76686335

NAME : KHAKI X-MACH

STRAP : black rubber

REF. STRAP : # H600.766.102 //

**Hamilton Khaki Conservation

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History of Watches
Our civilization has been always trying to measure time fractions as a registration of a constant activity or as a silent calm. Since our origins, humans have been trying to measure time to organize their lives and destination. Ancient civilizations measure time according to the alternation between day and night, as well as Moon cicles. Little by little our ancenstros created instrument to divide time by shadows with increasing accuracy. Clocks were starting to operate. At first Sundials told the time thanks to the Sun movement on a flat surface with a clock type indicator. Arqueologists have discovered that Chinese used timepieces 3.000 years before Christ as well as Egypcians and Incas do. These first timepieces do not work during the night or in cloudy days or even in twilight or dawn. Also clock type indicators should be modified depending of the earth latitudes when the sun beams inclination was different. This was not a very secure way of measuring time owing to day duration was different period of the year. Clepsydras appeared at that time in Babylon ad Egypt first and later in Greece and Rome, they were a kind of a vessel of water, having a small hole in the bottom, so that the liquid dripped out drop by drope. As the level within the jar was lowered, it showed the time upon a scale. Romans used this kind of timepieces in the Judgements to control the development of the hearings. A similar system but with marked candles was using during the night. In the III century BC, sand timepieces appeared with two vessels connected by a narrow tube. Have you ever seen these small sand timepieces which were famous to measure minutes while talking by phone? Sure you have. In the past sand timepieces were bigger and could measure the time of one day. Anyway time passed until the machines started to be important in society. At the very begining of the VIII century the italian Pacífico created one timepiece which worked by means of counterweights and was given to the king Pepin the short by the Pope Paulo I. These were the first steps. In 1.300 these mechanisms were very common in some European churches. The oldest clock is in the Cathedral of Salisbury,England which was installed in 1386. These kind of timepieces became more efficient with the discovering of the Pendulum Law created by Galileo Galilei 1600. Thanks to this discovering, the Duch mathematician and phisycist Christiaan Huygens would create the first timepiece with pendulum in 1657 in a wall clock. Some time later, one hundred years before, in the German city of Nüremberg the first wound clocks were created, these timepieces were portable ones. Ginebra was very famous as timepiece-making center. The Calvinistic legislation in this city prevented the manufacturing of “crosses, chalices and other religious instruments”, so these craftsmen lost their French and natives of Savoy customers. So, they decided to create boxes for timepieces mechanism, working with timepiece-makers. At the beginning of the XVII century, the timepiece-making in Geneve was very important and it went beyond the frontiers to make exhibitions in Lyon and Francfort fairs. The advance in timepiece-making had been very important but it was necessary to solve problems such as pices wear and inaccuracy in time measurement. Nicolas Faccio could modify this aspect in 1704. He used rubies and aspires as pivots in the timepieces mechanism. This pieces harshness reduced the mistakes due to friction and wear. This meant an important improvement in the timepiece-making industry. Nowadays, we have a wide range of timepieces types and qualities: electrical, timers, alarm clocks, wrist timepieces, digital, atomic, etc.. Wrist timepieces were created in 1904 by the Suitzerland timepiecemaker Hans Wildsorf from Rolex.: Only six years later they created the first wrist timer. Atomic timepieces, started to be created in 1949 being one of the pacific application of the nuclear energy. Finally, we want to remark that the use of quartz in timepieces started in Beil Laboratories, from 1980 with a clock type indicador where the time could be seen through a display to see the time just with a look. From that moment a long way has been walked.

Baselworld
Baselworld is the world leading event for the watches and jewellery. More than 2000 exhibitors for luxury watches, jewellery, precious gems and related brands show their newest luxury products. Visitors can browse through a selected range of products in luxurious surroundings covering over 160,000 m2 of exhibition area on several floors. Many world-famous names in the watches and luxury goods industry choose to show their products exclusively at BASELWORLD. Basel is your only chance to see their very latest creations. The selection of luxury goods showcased at BASELWORLD is unique.
BASELWORLD is the only place where you can find such a broad cross-section of products from the entire industry all in one place. Goods sectors are clearly segmented and divided between the six exhibition halls. Watches brands, jewellery brands and related luxury brands have their own halls and there are also national pavilions. A show designed to give you a complete market overview and provide you with an ideal business platform. Every year in spring time, over 100,000 retailers and wholesalers from all over the world make the journey to Basel to visit this presentation of the latest trends and creations offered by the watch and jewellery industry. Don't miss the unique business and networking atmosphere at the world's leading luxury watches watch and jewellery show. Our timepieces are a timeless clasic. Everything is important and fascinating. This harmonious aspect will always have a technical Plus in every model.

Baselworld

Baselworld is the world leading event for the watches and jewellery. More than 2000 exhibitors for luxury watches, jewellery, precious gems and related brands show their newest luxury products. Visitors can browse through a selected range of products in luxurious surroundings covering over 160,000 m2 of exhibition area on several floors. Many world-famous names in the watches and luxury goods industry choose to show their products exclusively at BASELWORLD. Basel is your only chance to see their very latest creations. The selection of luxury goods showcased at BASELWORLD is unique.

BASELWORLD is the only place where you can find such a broad cross-section of products from the entire industry all in one place. Goods sectors are clearly segmented and divided between the six exhibition halls. Watches brands, jewellery brands and related luxury brands have their own halls and there are also national pavilions. A show designed to give you a complete market overview and provide you with an ideal business platform. Every year in spring time, over 100,000 retailers and wholesalers from all over the world make the journey to Basel to visit this presentation of the latest trends and creations offered by the watch and jewellery industry. Don't miss the unique business and networking atmosphere at the world's leading luxury watches watch and jewellery show. Our timepieces are a timeless clasic. Everything is important and fascinating. This harmonious aspect will always have a technical Plus in every model.

2.20.2010

Hamilton Khaki Pilot X-Match

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