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36 of 37 people found the following review helpful:
5.0 out of 5 stars
The accuracy of automatic watches, October 14, 2008
This review is from: TAG Heuer Men's WAB2010.BA0804 Aquaracer Automatic Watch (Watch)
This watch is an automatic, meaning that it contains a mechanical movement powered by the action of the wearer's wrist. Some mechanical movements must be wound manually by the user. Neither type require a battery as a quartz watch would. The payoff is that all mechanical watches, however much they might cost, are less accurate than any quartz watch one might buy for $20 from a local garage. The reason that one might pay upwards of $1000 for such a watch is that the movement is a precise, finely engineered example of the watchmaker's craft, and not a simple piece of electronics produced by the millions as might be found in a cheap Casio (to take nothing away from Casio).
The highest quality automatic watches are known as 'chronometers', and must contain a movement that has passed a rigorous set of tests laid down by the Swiss Chronometer Testing Institute (www.cosc.ch). Such a movement will have an accuracy of 99.99%, which is the maximum obtainable. Only 3% of all watches produced in Switzerland each year are certified as chronometers. Briefly, the COSC standard states that a certified movement must be accurate to within -4/+6 seconds per day. Most high-quality mechanical watches can be adjusted by a good watchmaker to meet that level of accuracy. As far as I am aware, this movement (a Tag-modified ETA 2824-2 for the technically inclined) is not COSC certified; however, this does not mean that it cannot meet the standard, but simply that Tag Heuer have not submitted it for testing.
Even chronometer-certified movements are still less accurate than a quartz watch. This is not a problem specific to Tag Heuer, but is common to any mechnical watch, whether it be from Rolex, Omega, Breitling or any other manufacturer. Even Omega's new co-axial movement is not designed to increase accuracy, but rather stability over time. Stability is often considered to be a more desirable characteristic than pure accuracy in a mechanical timepiece (which is in any case impossible); that is, that it constantly gains 6 seconds a day, rather than gaining one day and losing time the next.
Many people (and websites) confuse chronometers with chronographs. A chronograph is a watch that has extra functions and displays allowing the timing of individual events, similar to a stopwatch. This watch is not a chronograph.
When buying an expensive watch, or any other valuable item, it pays to do a small amount of research and understand what exactly it is one is paying for.
I have always been very impressed with the build quality of Tag Heuers; their finishing and reliability is excellent and they are very reasonably priced when compared to other high-grade Swiss watches.
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8 of 9 people found the following review helpful:
5.0 out of 5 stars
great watch, July 5, 2007
This review is from: TAG Heuer Men's WAB2010.BA0804 Aquaracer Automatic Watch (Watch)
I have the blue one and love. Been SCUBA diving with it, no problems. It is an automatic, so it's not going to be as accurate as a quartz, but if you buy it from an authorized dealer, they will adjust to make it accurate, usually within a couple seconds a day. You can save a few bucks buying a TAG online, but you're screwed if you don't like it or have problems.
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4 of 4 people found the following review helpful:
5.0 out of 5 stars
Simple, stylish, sporty, smart, September 28, 2009
This review is from: TAG Heuer Men's WAB2010.BA0804 Aquaracer Automatic Watch (Watch)
I've never been particularly bothered about watches - they seemed to me to be either too sporty or too formal I think. I wanted to know the time, but I never put any energy (or money) into picking a watch. That was until I discovered the black dial/ss bracelet dive watch, along with the automatic movements, and I started to think I might spend some money on a watch. The first attempt at a purchase did not go well - I was fooled by Invicta's shameless marketing policy of claiming that their watches are very heavily reduced - a policy Amazon went along with. I got their 9937 dive watch and then found out about the way the company worked (their television sales - their endless catalogue of tasteless watches). I sold that watch, got myself a Seiko Black Monster for a song (what a fabulously funky thing it is), and started to research the more traditional black dial dive watch category with care. It had to be an automatic and it had to be simple - just three hands, no sub-dials or GMT functions etc. etc. and I didn't want to get a watch, like the Invicta, the appeal of which depended on how well it could pass as something else. I wanted something which was technically good AND which looked the way I wanted it to look. I was very tempted by the Debaufre/Steinhart offering - but it was just too close to the Invicta (like the Invictat it is a relatively cheap Rolex Submariner copy or 'homage' though doubtless better quality). The Marcello C Nettuno 3 very nearly convinced me too - that really is an excellent watch, but new they cost nearly $900 which, for a relatively unknown German made Rolex homage - however good - was too much money. Then I discovered this TAG Heuer Autoracer (WAB2010) and, whilst it was more expensive than I was happy with, it was the ONLY watch I could find that fitted the bill. Being a TAG, and diverging significantly from the Submariner mold, it doesn't quite count as a Submariner copy - but - unlike the newest Aquaracer 500m offering - it stays close enough to it to keep the simple look I like. It is nicely finished, almost all the steel is brushed not polished, and that keeps it casual and not too bright and blingy. It is the perfect size for my average 7' wrist - 40mm watches are just too small - 43mm and above are too big. Finally, because it has recently been discontinued it is heavily reduced (the original price would have been impossible for me). There really isn't another watch out there that I could find which was technically well enough made and which looked simple and direct (even if the Omegas were affordable they're too flashy and complicated and the bracelet is too blingy). Now if you look at the watch forums many watch enthusiasts dismiss TAG because of their advertising policies (lots of expensive celebrities to pay) - but if you want a really well made, swiss, mechanical dive watch which is not all bells and whistles and which is slightly more casual than dressy. then you don't have a lot of choices. This watch is beautifully finished and wonderfully well designed and incredibly comfortable - my long search for a good swiss automatic in the mainstream of the diver tradition is over, and I have the right watch.
Additional Note - Amazon's customer service is really fantastic. It was incrediby easy to get to talk to a real person - they knew who I was and what I had ordered from them - and they responded very reasonably indeed to my requests. This is a great company - I'm sure their two year 'grey market' guarantee is at least as good as the manufacturer's. Superb retail experience!
9 months later:
Now its running at between plus and minus 1.5 seconds per day (often only fractions of a second out of time.) When I got it, it was running at about 13 seconds fast per day. So on top of everything else it is wonderfully accurate.
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