Tissot PR100 Chronometer

Right Now You Can Get This Chronometer Watch for Half-Off

September 13, 2018 Deals By

While watch enthusiasts are likely familiar with COSC testing and chronometer-certified watches, very few probably realize that the organization doesn’t just test mechanical movements. There are, in fact, some quartz watches that go through testing as well. See, normally a quartz watch is accurate to around 15 seconds per month, and even that is still far more accurate than a COSC-rated mechanical. But deviations in quartz accuracy can be caused by humidity and temperature fluctuations, and so to create an even more accurate watch, it needs to be thermo-compensated, which is the case for all COSC-certified quartz timepieces.

While certified quartz chronometers are not particularly common, this Tissot PR100 is one of them. It’s undergone the appropriate testing and is thus guaranteed accurate to within 0.2 seconds per day (if you do the math, that’s about six seconds a month). That’s not bad considering the watch’s relatively low price of entry: its MSRP is $575, but right now you can get it for just half that. So, For $287, you’re getting a nicely-finished, accurate and reliable watch with a stainless steel bracelet. You could certainly do a lot worse.

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