How does chronograph watch

A chronograph can also be a chronometer. In , Apollo 13 was going on a mission to the Moon. Their ambition was to become the third crewed mission to land on the Moon. In order to save the astronauts, Apollo 13 was redirected to loop around the Moon to return back to Earth.

However, the spacecraft drifted off course while they were trying to conserve as much energy as possible. The spacecraft had to get back on track and avoid the risk of bouncing off the atmosphere and into space. Luckily, the crew figured out that they could turn on the engines for exactly 14 seconds to get on the right path. The only problem was, how do you tell the time and measure exactly 14 seconds when everything is turned off on a spaceship?

The Omega chronograph was used for measuring the 14 seconds that got Apollo 13 safely back to Earth. Thank you to Nezumi Studios for providing image content for this guide — if you want to see their complete collection of watches click here.

Get the best articles, deals from our store, and stories of the month directly in your inbox. Sign in. Forgot your password? Get help. Privacy policy. Password recovery. Old News Club. My husband fours drawing for client so I was wondering which would be the best watch to buy that could help him to keep count of the time he has spent on his work.

I read this article at least three times when I first encountered it about 12 months ago. It was extremely useful. I ended up purchasing a Oris Valtteri Bottas limited edition and have been thrilled with it.

My other front runners all had bigger names and bigger price tags. But they also had some less desirable features. I wanted at least a 44mm dia. Other considerations I took into account only after reading this article, ended up making a substantive difference.

Thanks again for re-publishing this. I recommend it heartily. Thank you for taking the time to write this out! I am currently in the market for a new watch and this article is the best I have found thank you. My Breitling Aerospace that I have worn for 29 years is needing to be replaced and they thing that amazes me is how large so many watches are now.

I found this very informative about what I had not been told about before. Thank you. I have an Omega Speedmaster. The timing function and biggest source of inaccuracy is the user reaction time to start and stop. A function can be no more accurate than its least accurate component. This seems to be ignored when manufacturers tout how accurately their watch can time an event. Excellent point. The hype IMHO is more remnant of yester-years when it had actual functional value coupled with the precision accomplished with mechanical gears.

I have a Sinn EZM I use it from time to time for its intended purpose; mostly I just like looking at it. After a lot of looking for a truly rugged chronograph dive watch, I found one I really liked, bought it, Then discovered that those big super luminova covered hands that made the watch so easy to read in the dark, blocked visibility of the sub-dials—it takes the minute hand an excruciatingly long time to get past the hour and minute sub-dials.

Nice thin tritium-lit hour and minute hands would make this watch perfect. The older I get, the simpler I like my watches. At this point I prefer a good old 3,hand automatic.

It has the day, date, even the month and of course a chronograph function. It is just very cool. I have a Smartphone, actually two, one of each flavor, Apple and Android. I have not, nor will I ever pull out my phone when asked what time it is. I pull back my cuff and glance at my wrist. Smartphones are precise but a wristwatch is elegant.

Elegance trumps precision. Love your assessment. I only own one chronometer, a Speedmaster, the rest of my small collection are dress watches that exude elegance. Truthfully, you probably buy a chronograph because you think it is cool. Most people will not use it as a tool. Your cell phone will do a much better job as a tool than a chronograph. Buy a chronograph because you love the way it looks and because you appreciate the work that went into creating it.

But remember, repairing it if it stops working will probably be a long and expensive proposition, especially if it has an in house movement. An in-house column wheel flyback chronograph with a vertical clutch can be very expensive. But All chronographs are great in my eyes and to wear one is a nice feeling… Great article and great photos as always. This is a very informative article for those, like myself, who are interested in how a mechanical watch functions. While I agree that the phones we carry — actually a small computer- would be able to provide better accuracy than a mechanical chronograph, battery powered devices seem to have a way of being discharged just when most needed.

I especially agree about the comment that legible elapsed timing functions are being sacrificed on the altar of fashion. I am currently in the market for a chronograph and have found far too many displays are nearly unusable due to the design of the face and hands.

Regarding night time legibility: When the pupils of my eyes are dilated due dim light, I prefer to glance at a watch rather than the blinding light of a cell phone display. Thank you for this unusual piece summarizing what I should know when buying a watch with a complex dial… This article fills in a lot information on how we can properly make use of the different functions. I appreciate the work put into this article, what makes this newsletter Special.

Thanks again! I had a Casio Edifice which I loved, but in actual use there was so much packed into it, and some of the positions were marked with such tiny letters that to do anything more than read the time I had to put my reading glasses on — which kind of spoilt it. Start at zero seconds and stop once the tachymeter reads your traveling speed.

Book a Virtual Appointment X. The Details January 21, Follow HSS. Using the Tachymeter to Measure Distance In order to use the tachymeter to measure distance, you have to know what speed you are traveling.

Thanks for reading. If you know the time and the distance, you can use the tachymeter to calculate your speed. In addition, if you know time and speed, you can also use it to calculate your distance.

The number on the tachymeter may not make sense initially, but there are easy formulas you can use to do your calculations. There are some bezels that rotate, allowing the wearer to do multiple calculations simultaneously.

When it comes to buying a chronograph watch, there are a few things you should keep an eye out for. Each of these will be important when choosing which watch you want to purchase. For example, all Jack Mason watches are made with sapphire crystal, genuine Italian leather straps , and come with a warranty for the lifetime of the watch.

We want you to have a luxury watch that you can treasure and pass down to your children and grandchildren. This just comes down to your personal preference. The pricing of luxury watches is complicated. Some expensive watches are worth the higher price tag, but you can often get the same quality at a much more affordable price.

And last but not least, you want to be sure you like the way the watch looks. At Jack Mason, we believe that the dress watch a man chooses to wear not only reflects who he is, but it also helps to create the legacy of who he wants to be. And why spend so much money on something just because it has a specific name attached to it? As with so many other things, just make sure you buy what you like. Older Post Newer Post. Avigator Small Second. Cart "Close Cart".