{"id":12537,"date":"2024-04-19T09:00:40","date_gmt":"2024-04-19T09:00:40","guid":{"rendered":"https:\/\/www.swisswatchexpo.com\/TheWatchClub\/?p=12537"},"modified":"2024-04-19T11:07:44","modified_gmt":"2024-04-19T11:07:44","slug":"how-to-use-a-tachymeter-bezel","status":"publish","type":"post","link":"https:\/\/www.swisswatchexpo.com\/thewatchclub\/2023\/02\/22\/how-to-use-a-tachymeter-bezel\/","title":{"rendered":"How to Use a Tachymeter Bezel"},"content":{"rendered":"

Sports watches have become more refined and useful through the years. A tachymeter bezel is one of a sports watch’s most common features. Used to measure speed through elapsed time, it remains a staple until today.<\/p>\n

In this guide, we’ll show you how to read a tachymeter with step-by-step instructions and some helpful tips along the way.<\/p>\n

What is a tachymeter bezel?<\/span><\/strong><\/h2>\n
\"Rolex<\/a>
Rolex Daytona White Gold Sodalite Stone Diamond Mens Watch 116519<\/a><\/figcaption><\/figure>\n

A tachymeter scale is a type of graduated scale that permits the measurement of the speed at which an object is traveling. The word comes from Greek “tachys<\/em>” meaning swift and “metron<\/em>” meaning measure.<\/p>\n

While the first chronograph was invented in 1821 by Nicolas Mathieu Rieussec, they weren\u2019t added to a wristwatch until 1913. The chronograph is needed to work with the tachymeter so the addition of a tachymeter to a wristwatch followed shortly thereafter.<\/p>\n

\"Tag<\/a>
Tag Heuer Carrera Chronograph Green Dial Steel Mens Watch CBN2A10<\/a><\/figcaption><\/figure>\n

Wristwatches with a tachymeter became incredibly popular with the rise of automobile racing and increased air traffic.<\/p>\n

Your tachymeter is used with the chronograph to measure the time it takes you to travel a fixed distance. You\u2019ll note that the bezel has a confusing and potentially overwhelming number of hashes and numbers, but don\u2019t get discouraged. The reading it gives you is easy to get and somewhat intuitive.<\/p>\n

\n

<><\/span><\/p>\n

How to use a tachymeter<\/span><\/strong><\/h2>\n

A tachymeter bezel is a circular scale on the dial of a watch that can be used to measure speed or distance.<\/p>\n

Measuring speed<\/strong><\/h4>\n
\"Omega<\/a>
Omega Speedmaster Moonwatch Rose Gold Mens Watch 310.63.42.50.01.001<\/a><\/figcaption><\/figure>\n

A tachymeter bezel is a great tool for measuring speed. To do this, you’ll need to know how many miles per hour or kilometers per hour your car can go at a given distance.<\/p>\n

1. You\u2019ll need to use the chronograph push button to start your stopwatch if you’re in your car.<\/p>\n

2. When you know your car has traveled one mile or one kilometer, you push the chronograph pusher to stop it.<\/p>\n

3. Take note of where the second hand sits on your tachymeter scale. This number references the speed of the car or whatever vehicle you\u2019re using. It\u2019s mathematics.<\/p>\n

There are 3600 seconds in an hour. If your vehicle takes 60 seconds to finish that mile, then 3600\/60= 60. You\u2019re traveling at 60mph. In this case, your second hand would read 90 for you on the tachymeter.<\/p>\n

\"Breitling<\/a>
Breitling Premier B09 Chronograph 40 Green Dial Steel Mens Watch AB0930<\/a><\/figcaption><\/figure>\n

The nice thing is that because this is mathematical the type of distance your measuring is controlled by you. Even if you don\u2019t use a full mile, you can still achieve the finished calculation with a little math.<\/p>\n

Keep in mind that many tachymeters don\u2019t measure above 60 seconds. The simple reading off the tachymeter scale will only work if you\u2019re going at higher rates of speed. Tracking slower speeds will take a little more math.<\/p>\n

Calculating slower speeds<\/strong><\/h4>\n
\"Breitling<\/a>
Breitling Navitimer 01 Black Brown Dial Limited Edition Mens Watch AB0127<\/a><\/figcaption><\/figure>\n

For a runner, the slower speeds are a little harder to calculate, or we should say it takes a little longer to calculate. This is where the flexibility of any distance comes in handy.<\/p>\n

1. Pick a distance to track while running, say 500 feet. Using the same process above, you\u2019re going to start your chronometer with the pusher as you start running.<\/p>\n

2. Once you cross the 500 feet mark, stop it. Take a reading in seconds. In this case, let\u2019s say it took you 30 seconds to run 500 feet. Your tachymeter is going to tell you an incredible speed of 120mph.<\/p>\n

Obviously, this isn\u2019t correct. You know that 500 ft is a little over a 10th<\/sup> of a mile (10.56 to be exact). To calculate your speed, you must divide the number on the tachymeter by 10.56. 120\/10.56 = 11.4mph.<\/p>\n

Calculating higher speeds<\/strong><\/h4>\n
\"Rolex<\/a>
Rolex Cosmograph Daytona Steel Watch 116500<\/a><\/figcaption><\/figure>\n

Tachymeters are also popular with vehicles that travel at much higher rates of speed like aircraft. Unless your watch is capable of reading measurements beyond 60 seconds, you\u2019ll have to do some more math.<\/p>\n

In this case, you\u2019ll have to change the fixed distance measurement. It\u2019s easy enough to change the 1 mile to 10 miles. Your tachymeter measures the place taking 20 seconds to move your 10 miles fixed distance. That would give you a measurement of 180mph. Multiply this by 10 since you were measuring 10 miles and you have your actual speed of 1800mph.<\/p>\n

Measuring distance<\/strong><\/h4>\n
\"Omega<\/a>
Omega Speedmaster Dark Side of the Moon Black Black Ceramic Mens Watch 311.92.44.51.01.005<\/a><\/figcaption><\/figure>\n

Even though the tachymeter wasn\u2019t designed to specifically measure distance, you can use it that way. This is dependent on traveling at a constant speed, however. It\u2019s an average speed measurement, so to measure distance anywhere near accurately you must be traveling steadily. Follow these steps to measure distance using a tachymeter bezel:<\/p>\n

1. Determine a fixed speed you can maintain throughout the test.<\/p>\n

2. Begin at your starting point and start the chronograph or stopwatch when you start moving.<\/p>\n

3. Stop the chronograph or stopwatch once you reach the number on the tachymeter scale that matches the speed you tried to maintain during the test.<\/p>\n

4. The chronograph’s second hand will point to the distance traveled on the tachymeter scale.<\/p>\n

If you\u2019re traveling at 60mph, to measure your distance start the chronometer with the pusher. You\u2019ve traveled a mile when the second hand lands on the 60.<\/p>\n

\n

<><\/span><\/p>\n

Using a Tachymeter Bezel<\/span><\/strong><\/h2>\n

Now that you know how to use a tachymeter bezel, it’s time to get out there and try it for yourself!<\/p>\n

The tachymeter can be used for so many measurements, even rate of production in a factory. Check out our vast selection of chronograph and tachymeter watches at SwissWatchExpo.com<\/a> and see what you can measure in your life. You never know when it will come in handy.
\n<><\/span><\/p>\n

\"Omega<\/a><\/p>\n

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In this guide, we’ll show you how to read a tachymeter with step-by-step instructions and some helpful tips along…<\/p>\n","protected":false},"author":2,"featured_media":23232,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1487],"tags":[],"class_list":["post-12537","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to-use-your-watch"],"acf":[],"yoast_head":"\nHow to Use a Tachymeter Bezel | The Watch Club by SwissWatchExpo<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.swisswatchexpo.com\/thewatchclub\/2023\/02\/22\/how-to-use-a-tachymeter-bezel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Use a Tachymeter Bezel\" \/>\n<meta property=\"og:description\" content=\"Sports watches have become more refined and useful through the years. 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