If all goes according to plan, within a few decades we will be on Martian soil. And then the clocks will have to be completely redesigned, because they will no longer have to give only the time on Earth.
The past 2021 was a great year for Martian exploration, with the landing of the Perseverance rover and the Chinese Tianwen-1 mission, in addition to other space projects.
To celebrate, the watch brand Behrens decided to design a clock that marked the time on Earth and on Mars at the same time. It has not been easy, but a year later you can already buy the Behrens B025 Mars Project ONE watch.
It is a unique mechanical watch that has had to be designed from scratch to display both times at the same time. Not only that: it also marks the different time zones on the two miniature planets on its dial. In this video you can see how it works:
Is about an automatic wristwatch with a titanium case and double time zone (Earth and Mars), built on the basis of a Swiss automatic winding movement Cal.SW200.
As we know, One day is the time it takes for a planet to rotate completely on its axis.. And of course, it is different for each planet.
For example, a day on Saturn only lasts 11 Earth hours, and on Venus… 5,832 hours. A curiosity that you may already know, is that a Martian day lasts almost as long as a day on Earth. Almost. Specifically, hard 24 hours and 37 minutes.
In order to give the time on Earth and Mars at the same time, using a simple display, Behrens makes a little “trick”: marks the day of Mars with a 24-hour numbering. The 37 minutes that remain are added by the clock throughout the day, so, as seen in the video, it goes a little faster than the terrestrial clock.
So it doesn’t give the exact time on Mars, there’s a few minutes difference. But since we’re not going to catch a train on Mars at the moment and we don’t have to sign up for Martian work, it’s not too much of a problem.
The clock shows at the same time the time zone of each planet, the day of the week, and the hour and minute. But she does it in a very curious way. Earth and Mars hours are on the cylinders on the left, and minutes are on the right.
A rather curious and unique mechanism that, as you may have guessed, has its price. The reloj Behrens B025 Mars Project ONE cuesta 8.916 eurosand you can buy it on their website.
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