Breguet Marine 5817 Accuracy Test Results
Review

Breguet Marine 5817 Accuracy Test Results

By justpen · Mar 5, 2008 · 12 replies
justpen
WPS member · Horological Meandering forum
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Justpen's 'Great Watch Race' offers a refreshingly candid and consumer-centric approach to evaluating watch accuracy. His four-day test of the Breguet Marine 5817, conducted under real-world conditions, provides a valuable counterpoint to laboratory-controlled assessments, emphasizing practical performance for the everyday wearer.

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The Great watch Race..is OVER..Official Results are;

But First, The Race Track

4 gruelling days in Australia’s Gold Coast have seen the inaugural Great Watch Race answer two questions;

1.       Which is the most accurate...straight from the factory...straight out of the box...high end Swiss Mechanical watch......and

2.       How accurate is that watch.

The answer, without doubt is the Breguet Marine 5817 with an error factor of around half a second per day.

STOP...Wait ...I can hear the protests from all around the world....Your voices are deafening....”How can you do an accuracy test of a watch over only 4 days?’............”What about controlled conditions”.........”Who was monitoring the test?”....”How come there were only three manufacturers represented in the race?”

Well before everyone gets too excited, let me answer those questions;

·         4 days is 345,600 seconds and if a watch is going to have an error factor it will show up in that time. Breguet 5817 had an error factor of less that 4 out of 345,600...good gambling odds....better than flying odds which are, you will die in your 287,000th flight...(on average).

·         There were no controlled conditions..Because a watch should work as a watch and not need to be in a glass bubble.

·         The test was monitored by one of the most important people in the world...that is I... me.. ...and why am I one of the most important people in the world when it comes to testing a watch?....Because I am the owner....I am the consumer....I am the user...smile

·         Everyone was invited to race...but nobody else entered....I am sure that there were several contestants intending to enter, but when they saw the field they got frightened by the quality and decided to become too busyJ  ...You gota love those smiley’s.

I hear some are still winding up their watches and their belated results will be welcomed.

Now back to the results;

Seriously...This was a test, just to see which watch is the most accurate and through this elimination test I found that;

·         There is no doubt that the Breguet 5817 Marine was the best watch out of the box with an error factor of far less than 1 second per day.

·         The Brietling Seawolf Avenger was very close at less than 2 seconds per day.

·         The Rolex Daytona and Breguet 5207 Retrograde were neck and neck at 3 seconds per day.

·         The Breguet 5707 with medium complications ran at 5 seconds error per day.

·         The Rolex Day Date..... now this is a 20 year old watch and it has worked hard....like thousands of hours of tractor driving, dozer driving, diving on the reef, partying, flying, pick and shovel work and even jackhammer work until I remembered that I better take it off and put it in my pocket...this old timer is a little tricky. The first day was plus 6 sec. The second was plus 6 sec. The third day was minus 6 sec, and the fourth day was minus 2 sec......overall it came around the same as the Brietling Seawolf Avenger. But I think this is the kind of watch that some talk about performing differently in different conditions....another way of saying that it is not consistent....and in this case probably due to age and wear and tear. But a great performance and effort for an oldie.

·         Finally the poor new Breitling Chronomat  Evolution....This one had the biggest average error of 8 plus seconds per day.....This watch is almost unused....if it were not billed as a pilots watch it might not be so bad, but reality is 8 secs per day is a minute a week and I don’t class that as an accurate watch, certainly not for aviation work.

So bottom line is that I think all three brands did well with some obviously outshining others....and one purpose built watch failing miserably.

Now following all this, to me, when talking expensive Swiss watches...an   accurate watch should be under 2 seconds per day...An acceptable watch should be 3 seconds per day and for a complication I can accept 5 seconds per day.....but anything else, if costing in the thousands is really stretching the friendship.

So it is now time to let the great unused slowly wind down and sit in their respective places ...and let the victors enjoy ticking away and seeing the sunshine and night lights on a daily basis.

Interestingly....the two winners are my favourite watches. The Brietling is my daily tractor driving farm work fishing, hunting  watch...and the Breguet 5817 is my after showering dress and dining watch.....But...both will be welcome in the cockpit.

How lucky am I?

Finally....Thank you all sincerely for reading my ramblings.

Kindest regards to all,

Jack

P.S. Anybody want to buy a Brietling Chrono Evolution with rose gold buttons and bezel plus 1.4 carats of factory fitted diamonds and crock strap?.....Guaranteed 60% off retail....Packaging, freight and a good luck card included....and if you push me hard I will throw in a Sundial so you can tell the time.smile






added to Editor's Pick
This message has been edited by AnthonyTsai on 2008-03-05 12:07:05

Key Points from the Discussion

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The Discussion
SC
sclamb
Mar 5, 2008

and thank you for all your effort. Most of my watches gain less than three seconds per day, some less than 2 seconds. That said, even a watch running at +8 seconds per day is 99.991% accurate. I really don't have a problem with anything running up to a gain of around 6-8 seconds per day, but I obviosuly prefer the watches to run nearer to between +2 and +3 seconds per day. As long as they don't lose time then at least I know I will always be early for appointments Simon

JU
justpen
Mar 5, 2008

..and the good thing about this, apart from the fact that we can never be late for anything...is that she does not mind to see me buy Swiss watches....the bad thing .....or let us say, unusual thing, is that she wears her watch on her right wrist and keeps it ahead "exactly" 15 minutes. A real problem when walking down the sidewalk together trying to stop watches from banging together. But anyway...this kind of blows away the need for accuracy...so when it all boils down to the grit...we all mak

BI
Bill
Mar 5, 2008

Hi Jack, As unscientific as the race may have seemed it accurately represented what you looked out to achieve. Simply how will your watches perform against each other in normal conditions out of the box. You effort and results are genuinely appreciated. Thanks you. Bill

AN
AndrewD
Mar 5, 2008

… but the other 286,999 should be safe. Thanks for your report, Jack. I keep a scientific eye on my watches as well, just so I know how they are performing and what factors are influences their accuracy over time. You should repeat this test annually to see what affect ‘time’ is having on your results. I tend to alternate wrists myself, and have to remain aware of the ‘safe’ side to walk on with my wife so that we don’t ‘crash’ watches. Perhaps we should all be holding hands a little more often.

JU
justpen
Mar 5, 2008

Thanks Andrew for your reply....I did not know there were any Aussies on this site so it is good to have company at home. Re right hand watch wearers...yes .....it is a thing to be aware of otherwise you can have a couple of very expensive items banging together at a fair speed....we have broken a crystal on one watch some years ago so now tend to be very aware. keep in touch, kindest regards, Jack

AN
AndrewD
Mar 5, 2008

Thanks Jack, There are a few Aussie Purists I think, scattered about the continent. That's a nice set of Breguet's you have there. Enjoy. Andrew

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