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Chronograph

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chronograph until the Louis Moinet pocket chronograph discovery in 2013 when history was rewritten. In addition to inventing the chronograph, Louis Moinet is also the father of High Frequency. In 1816, his Compteur de Tierces timepiece beat at a rhythm of 216,000 vibrations per hour (30 Hz). This frequency record stood for exactly one century, before eventually being broken in 1916, after which standard chronometer frequencies returned to present-day levels (generally 5-10 Hz, or 18,000 to 36,000 vibrations per hour). Still in perfect working order, the Compteur de Tierces is preserved at Ateliers Louis Moinet.
70: 57: 334:, the official Swiss Chronometer testing institute, after undergoing a series of rigorous tests for robustness, accuracy and precision under adverse conditions (though these requirements fall far short of the accuracy achieved by even the cheapest modern quartz watch). A simple mechanical watch, without the stopwatch functionality, can be certified a chronometer, as can a clock, for example a ship's clock, used for navigation. The terms are not mutually exclusive either, for instance the Omega Seamaster 300M Chronograph GMT Co-Axial is also a COSC certified chronometer 107: 39: 284:, chronographs were on the wrists of many early astronauts. Chronograph usage followed a similar trajectory for many fields that involve very precise and/or repeated timing around increasingly more complicated high performance machinery, automobile racing and naval submarine navigation being two examples. As different uses for the chronograph were discovered, the industry responded with different models introducing such features as the 367:
upper had a pen-like needle attached to it. When activated, the upper face pushed down on the lower face, while revolving around a central axis, which pulled the needle. This dragged the ink, in a circular fashion, recording the time elapsed by the line of ink that the motion created. There was room left for improvement, because Rieussec's chronograph was not easily ready for multiple uses.
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chronographs there are more wheels) train wheels start turning. The smallest has a revolution time of one second, the next sixty seconds, and the final one has a revolution time of sixty minutes. The three train wheels interact with one another and record how long it has been since the start button has been activated.
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allows the user to approximately measure the distance to an event that can be both seen and heard (e.g. a lightning bolt or a torpedo strike) using the speed of sound. The user starts the chronograph (stopwatch) at the instant the event is seen, and stops timing at the instant the event is heard. The
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combined with a display watch. A basic chronograph has hour and minute hands on the main dial to tell the time, a small seconds hand to tell that the watch is running, and a seconds hand on the main dial usually equipped with a sweeping movement for precision accompanied by a minutes sub dial for the
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Chronographs can be extremely complicated devices, but they all have the basic function of telling time, as they are watches, and of displaying elapsed time. Rieussec's chronograph was fairly simple. It was composed of two faces, a top and bottom face. The bottom face held a pool of ink, while the
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Chronographs were very popular with aviators as they allowed them to make rapid calculations and conduct precise timing. The demand for chronographs grew along with the aviation industry in the early part of the 20th century. As the US exploration of outer space initially involved only test pilots,
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and the velocity of missiles. The Chronograph's main function is to allow a comparison of observation between a time base and, before the electronic stopwatch was invented, a permanent recording of the observer's findings. For example, one of the first applications of the chronograph was to record
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in 1821. The King greatly enjoyed watching horse races, but wanted to know exactly how long each race lasted, so Rieussec was commissioned to invent a contraption that would do the job: as a result he developed the first ever commercialized chronograph. Rieussec was considered the inventor of the
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Metered bezels: Many chronographs have a bezel, that is either fixed or can rotate, around the outside of the dial that is marked to specific scales to allow rapid calculations. While any wristwatch can have a bezel, the chronograph stop start feature, as well as the rotation of the bezel, allows
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set in a cage and placed in a rotating balance in order to minimize the effects of gravity on the escapement and increase precision. Because chronograph escapements are generally larger and connect with more complications, a tourbillion in a chronograph will differ from a tourbillion in a more
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In 1913, Longines created the 13.33Z, one of the first chronograph movements ever developed for a wristwatch, featuring 18 jewels, a diameter of 29 mm and height of 6 mm, and a beat rate of 18,000 vph. It utilized a crown that was used both for winding the watch and serving as a pusher for the
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stopwatch. Another sub dial to measure the hours of the stopwatch may also be included on a chronograph. The stopwatch can be started, stopped, and reset to zero at any time by the user by operating pushers usually placed adjacent to the crown. More complex chronographs often use additional
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The modern day chronograph works by pushing a start button, normally located at the two o'clock position, to begin recording time, and by pushing the same button to stop the recording. When the button is pushed to start the recording, a series of three (in more complicated and more precise
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divers. While basic functionality is the same as other chronographs, diving models have longer and more practical straps to wear over equipment, are made to be waterproof to deeper depths, have more rounded corners to prevent catching and luminous dials for reading in the murky depths.
233:'to write'). Early versions of the chronograph are the only ones that actually used any "writing": marking the dial with a small pen attached to the index so that the length of the pen mark would indicate how much time had elapsed. The first modern chronograph was invented by 303:, and movement specialist Dubois Dépraz, developed the first automatic chronograph in partnership. They developed this technology secretly in an effort to prevent other watchmaking houses from releasing an automatic chronograph first, namely their competition 437:
The original chronographs that Rieussec invented were called tape chronographs. They consisted of a tape that was constantly being dragged along at a controlled speed. When activated, a pen would be pushed onto the tape and begin recording until deactivated.
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Some more important uses of the chronograph include the Langley Chronograph, which is used by the US Navy to record, calculate, and analyse data given off by aeroplane launching catapults. Another famous usage of the chronograph was during NASA's
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This paved the way for the hundreds of patents that have been handed out to people for updating and upgrading this device. Automatic, non-digital chronographs do not require a battery, because the arm or wrist of the wearer creates
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and can have multiple sub-dials to measure more aspects of the stopwatch such as fractions of a second as well as other helpful things such as the moon phase and the local 24-hour time. In addition, many modern chronographs include
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In 1844 Adolphe Nicole's updated version of the chronograph was the first to include a re-setting feature which now allowed successive measurements, unlike the constantly moving needle in the original chronograph.
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scale, for distance. The watchmaking company Breitling offers a model with a rotating bezel, in conjunction with another, fixed, meter on the dial, scaled for use as a slide rule for more complex calculations.
511:. The automatic chronograph depends solely on kinetic energy as its power source, while the digital chronograph is much like the common stopwatch and uses a battery to gain power, as well as quartz for timing. 330:. Where "Chronograph" refers to the function of a watch, chronometer is a measure of how well a given mechanical timepiece performs: in order to be labeled a chronometer the timepiece must be certified by the 539:
seconds hand will point to the distance measured on a scale, usually around the edge of the face. The scale can be defined in any unit of distance, but miles or kilometers are most practical and commonplace.
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Other, more specific, types of chronographs include split second chronographs, tide chronographs, and asthmometer chronographs. Each of these chronographs has an added feature that sets them apart.
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bezels are a complication that allows rapid calculations of speed or distance. Rotating bezels allow for more complex calculations or repeated calculations without requiring a reset of the timer.
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produced the first chronograph with a central seconds hand and a 30-minute counter. Later, in 1923, Gaston Breitling introduced the first chronograph with a separate pusher at 2 o'clock. In 1934
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In addition to the start button, it also features a reset button normally located at the four o'clock position. When the reset button is pushed the chronograph hand will reset back to zero.
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watches and clockwork have been around since the late 1700s, the automatic (self winding) chronograph was not invented until the late 1960s. In 1969, the watch companies Heuer, Breitling,
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further developed the concept of the chronograph with the addition of the second pusher at 4 o'clock. Since then the 3-pusher chronograph design has been adopted by the entire industry.
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chronograph was used. Chronographs are routinely used to record heart beats within hospitals, calculate speed and/or distance on athletic fields, or even as simple timers in kitchens.
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Many companies sell their own styles of chronographs. While today most chronographs are in the form of wristwatches, in the early 20th century pocket chronographs were very popular.
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and in New York that this partnership shared the first automatic chronograph with the world on March 3, 1969. These first automatic chronographs were labelled "Chrono-matic".
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William Pogue's Seiko 6139 Watch Flown on Board the Skylab 4 Mission, from his Personal Collection... The First Automatic Chronograph to be Worn in Space.
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Mond, Robert L., and Meyer Wilderman. "A New Improved Type of Chronograph". Philosophical Magazine Series 6 (2003). Taylor and Francis, 16 Apr. 2009.
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Baugh, Frank G.; Benjamin Jr, Ludy T. (2006). "Walter Miles, Pop Warner, B. C. Graves, and the Psychology of Football".
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Cowan, Harrison J. Time and Its Measurement; from the Stone Age to the Nuclear Age. Cleveland: World Pub., 1958. Print.
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invented the chronograph in 1816 for use in tracking astronomical objects. Chronographs soon found a widespread use in
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In the early part of the 20th century, many chronographs were sold with fixed bezels marked in order to function as a
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fire in the mid to late 1800s. Over time, the chronograph found its use to be in several different fields, such as
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more complex calculations or repeated measurements for a series of calculations. The most popular meter is for
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Jin-He, Tao (2006). "The General Method For Fixing the Gauges of Relativistic Astronomical Reference Systems".
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missions to the moon, when each astronaut was equipped with a fully functioning chronograph, the
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Professional, which is commonly regarded as one of the most iconic chronographs ever produced.
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Stein, Jeffrey M. (2008), Project 99 – The Race to Develop the First Automatic Chronograph
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Elizabeth Doerr, Forbes, History Rebooted: The Chronograph's Inventor is...Louis Moinet!
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readings: a simple scale that allows rapid calculations of speed. Other bezels feature
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De, Carle Donald. Watch and Clock Encyclopedia. Ipswich England: N.A.G., 1983. Print.
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introduced a model with a rotating bezel tachymeter for more complex calculations.
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that winds the mainspring in the watch, so that it is ready for use at all times.
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Once and for all: it never happened that way. That story s a complete invention.
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Tianjin Sea-Gull ST1901 chronograph movement (based on the Swiss Venus 175)
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Linz, Alexander; James H. Ragan (June 2009). "How Omega Got to the Moon".
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A technical perspective, the chronograph, Xavier Markl, Monochrome-watches
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Louis Moinet unveils the world's first chronograph, Monochrome-watches
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Hood, Peter. How Time Is Measured. London: Oxford U.P., 1969. Print.
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Originally the term chronograph was mainly used in connection with
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in 1816, solely for working with astronomical equipment. It was
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Escapement Time Quartz Pilot Watch containing a Japanese movement
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to turn on a pivot within the watch. The rotor is attached to a
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TAG Heuer’s 01 chronograph watch movement explained with videos
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who developed the first marketed chronograph at the behest of
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Seiko Flyback-Automatic-Chronograph Cal. 7016, the so-called
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on the bezels for rapid calculations of speed or distance.
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Chronomaster Mechanical Watches. Accessed 25 March 2012.
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The term chronograph is often confused with the term
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Journal of the American Society for Naval Engineers
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Archived from 424: 403: 105: 93:caliber 6S21 quartz chronograph movement 55: 37: 25: 1066: 1064: 763: 627: 625: 185:that incorporate a stopwatch function. 1208: 1024: 1018: 848:"What is a Tachymeter? (With picture)" 634: 615: 613: 611: 1179:Patek Philippe Chronograph Comparison 997: 991: 956: 911: 441:Specialized chronographs are used by 342:the time elapsed during horse races. 121:(North America, Europe, China, Japan) 1061: 622: 608: 100:Quartz chronograph and its movement 13: 1012:10.1111/j.1559-3584.1923.tb00184.x 14: 1237: 1166: 664: 1189:Monochrome-watches, Xavier Markl 800:"Breitling [Watch Wiki]" 772: 82: 68: 1144: 1111: 1098: 1073: 942: 792: 749: 1119:The "Colonel Pogue" Seiko 6139 1027:Astrophysics and Space Science 725: 691: 658: 596: 571: 1: 564: 415:-Chronograph' Cal. 6139, the 181:has also been applied to all 46: 517: 272:. In 1958 the watch company 229: 217: 7: 542: 361: 205: 10: 1242: 1137:November 27, 2011, at the 935:November 12, 2011, at the 527: 521: 223: 211: 199: 188: 177:Since the 1980s, the term 119:Radio Controlled reception 18: 1047:10.1007/s10509-005-9009-4 651:October 13, 2016, at the 1181:Gray & Sons NOV 2014 655:Accessed 25 March 2012 399: 239:Nicolas Mathieu Rieussec 209:'time recording'), from 1152:"Telemeter Chronograph" 1039:2006Ap&SS.302...93T 703:March 25, 2013, at the 321: 45:MultiChron Astronomic ( 524:Rangefinding telemeter 434: 422: 280:by order of President 129:is a specific type of 122: 61: 53: 35: 1216:Measuring instruments 1132:Chronograph Functions 536:telemeter chronograph 522:Further information: 505:automatic chronograph 482:, sometimes called a 428: 407: 354:; in one instance, a 197:comes from the Greek 109: 59: 41: 29: 467:Flyback chronographs 282:Dwight D. Eisenhower 1197:WatchTime June 2016 1173:Chronograph watches 509:digital chronograph 1122:, dreamchrono.com. 977:10.1002/jhbs.20134 737:en.worldtempus.com 665:Lasky, Michael S. 554:Marine chronometer 500:simple timepiece. 484:double chronograph 435: 423: 133:that is used as a 123: 62: 54: 36: 952:. 29 August 2014. 352:Omega Speedmaster 94: 77: 32:Omega Speedmaster 1233: 1160: 1159: 1154:. Archived from 1148: 1142: 1129: 1123: 1115: 1109: 1102: 1096: 1095: 1093: 1092: 1077: 1071: 1068: 1059: 1058: 1022: 1016: 1015: 995: 989: 988: 960: 954: 953: 946: 940: 927: 918: 915: 909: 906: 900: 899: 888: 882: 881: 879: 877: 858: 852: 851: 844: 835: 834: 827: 818: 815: 804: 803: 796: 790: 789: 787: 785: 770: 761: 760: 759:. 12 March 2021. 753: 747: 746: 744: 743: 729: 723: 718: 707: 695: 689: 688: 686: 685: 662: 656: 643: 632: 629: 620: 617: 606: 600: 594: 593: 591: 590: 581:. 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It was in 297:self winding 294: 278: 267: 263: 252: 248: 235:Louis Moinet 221:'time') and 194: 192: 178: 176: 149:Louis Moinet 126: 124: 971:(1): 3–18. 895:: 124–125. 479:rattrapante 418:Pogue Seiko 328:chronometer 290:Rattrapante 200:χρονογράφος 195:chronograph 179:chronograph 164:auto racing 145:tachymeters 127:chronograph 50: 1959 1210:Categories 1091:2020-01-10 893:Watch Time 773:Zhou, Ph. 742:2020-07-06 684:2023-08-11 589:2017-02-20 565:References 528:See also: 497:escapement 492:tourbillon 456:Tachymeter 394:Tachymeter 270:tachymeter 1055:119456275 784:4 October 679:1059-1028 518:Telemeter 460:Telemeter 413:Automatic 339:artillery 295:Although 253:In 1915, 193:The term 172:submarine 153:artillery 135:stopwatch 115:Eco-Drive 1135:Archived 985:16345007 933:Archived 779:Hodinkee 701:Archived 649:Archived 543:See also 507:and the 443:deep sea 362:Function 301:Hamilton 160:piloting 157:aircraft 1221:Watches 1035:Bibcode 876:9 April 471:flyback 381:ratchet 286:flyback 218:khrónos 189:History 113:Atessa 111:Citizen 1226:Timers 1053:  983:  677:  433:(1976) 356:Bulova 348:Apollo 313:Geneva 305:Zenith 230:gráphō 212:χρόνος 168:diving 91:Miyota 43:Gallet 1051:S2CID 671:Wired 447:scuba 410:Seiko 400:Types 377:rotor 309:Seiko 274:Heuer 224:γράφω 131:watch 981:PMID 878:2011 786:2023 675:ISSN 534:The 445:and 332:COSC 322:Uses 307:and 170:and 1043:doi 1031:302 1008:doi 973:doi 408:A ' 30:An 1212:: 1187:, 1083:. 1063:^ 1049:. 1041:. 1029:. 1004:35 1002:. 979:. 969:42 967:. 922:^ 864:. 839:^ 822:^ 808:^ 777:. 765:^ 735:. 711:^ 673:. 669:. 636:^ 624:^ 610:^ 489:A 476:A 166:, 162:, 125:A 47:c. 1094:. 1057:. 1045:: 1037:: 1014:. 1010:: 987:. 975:: 880:. 850:. 833:. 802:. 788:. 745:. 687:. 605:. 592:. 227:( 215:( 203:( 23:.

Index

Chronographia

Omega Speedmaster

Gallet



Miyota

Citizen
Eco-Drive
Radio Controlled reception
watch
stopwatch
complications
tachymeters
Louis Moinet
artillery
aircraft
piloting
auto racing
diving
submarine
digital watches
Louis Moinet
Nicolas Mathieu Rieussec
King Louis XVIII
Gaston Breitling
Willy Breitling

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