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22 January 2017, 03:25 AM | #1 |
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OP 39mm accuracy after drop
Dear all,
I'm a long time lurker but this is my first post, so please be gentle I own a Rolex Oyster Perpetual 39 mm - dark rhodium (2016) since a couple of months. I must say that I love the watch and I find it very versatile. Just after I bought it, I measured its accuracy with a phone app and got -2 spd. Two weeks ago, unfortunately, it was sitting on a chair and dropped to the floor. The travel was about 30cm and the floor was somehow rubber and not concrete. Nonetheless, I measured it again and I got something around -4 spd. I went to my AD to check it better and he told me that the drop should cause any problem in this case and it's probably that using it, its accuracy changed on its own. At the beginning the delay was noticeable comparing with an atomic watch, but after some days it kinda recovered and it's now running close to -3 spd. The movement is a 3132 with paraflex and I suppose that such a small drop should be a big problem. Am I wrong? Am I getting too crazy about accuracy? So, what do you think? Should I be concerned and send it to the service center? Or even a -4 spd is acceptable (Rolex sells it for -2/+2 spd). This is my first Rolex, sorry for this paranoid attitude |
25 January 2017, 11:09 PM | #2 |
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hi guys,
did I post on the wrong section probably? |
26 January 2017, 04:26 AM | #3 |
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Being a free sprung balance, it's unlikely that a drop would change the rate unless it did some serious damage. -3 s/d is a little slow but not crazy. I'd suggest wearing the watch for a few weeks and seeing if the rate shifts any more. If it's still running slow, take it to an AD with a watchmaker and they should be able to bump the rate up a few seconds pretty easily.
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26 January 2017, 05:55 AM | #4 |
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I agree with the AD: "the drop should [not] cause any problem in this case and it's probably that using it, its accuracy changed on its own."
And yes, you are getting too obsessed about accuracy. In order to scientifically compare accuracy at two differing points in time (i.e. a week later) you must have the watch in exactly the same condition prior to the test. That means you must hold it, wind it, store it etc. exactly the same way and for exactly the same amount of time. The easiest way to do this is fully wind it, and let it run down in both cases. Check timing right after fully winding and (for example) 30 hours after setting it down. Otherwise you are introducing variance into your test, or changing more than one variable for the test, which makes the test invalid. If you want super-accuracy, get an eta quartz and have it regulated. I had a Tag Heuer quartz years ago that I had regulated and it was within a second a month against the atomic clock. You must accept the lesser accuracy of a mechanical watch to enjoy it. |
26 January 2017, 07:37 AM | #5 |
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Hi guys,
thanks for your answers, that are reassuring for me. Knowing that I didn't damage the watch with the drop and that this is just "how it is" makes me feeling less obsessed. I think I'll follow both suggestions actually: will use it for a while and will try to make a more "scientific" evaluation. Do you think, in general, that they can bring the watch inside the -2/+2 range how it is supposed to be? Or this is just "too difficult" to have? Thanks again C PS: the watch is extremely nice, in any case, and I enjoy it very much. Some little problems in readability however: too shiny during the day, not really shiny during night. But it's really a minor thing. |
26 January 2017, 08:10 AM | #6 |
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It can probably be brought into +/- 2 but it will be under the conditions of standard practice (dial at specific positions).
I have known of people who recorded the variance under their personal "real world" use and had it regulated to that. In other words, after wearing it for three or four weeks and checking timing at the same time every day with no input to the watch other than wearing it (no winding or adjusting time) they found it was (for example) 4 seconds fast on average of all the collected data. Their watchmaker then placed it on their timegrapher, noted the current timing at the start, and adjusted it exactly -4 and sent it back to the owner. I find this excessive and place my palm on my face. I adjusted my 5512 this morning because it was a minute slow (don't care about seconds and they don't hack anyway). I don't remember the last time I did it. Just part of wearing a mechanical watch. If you have a timegrapher, and even if you did, adjusting any free-sprung balance wheel is no small feat. You could drive yourself crazy chasing Quartz accuracy from a mechanical watch... Personally, I'd just enjoy it for what it is, or get a more accurate time piece if ultimate accuracy is so crucial. Sinn for example make exceptional pieces at very reasonable cost. Their quartz models are easily COSC out of the box and they use Eta movements so are easily brought in even tighter. |
26 January 2017, 10:23 AM | #7 |
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3 seconds a day is a pretty daggone good rate for a vintage mechanical watch. If you look you'll find that watches that are COSC certified are only held to a standard of -4/+6 per day.
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26 January 2017, 11:07 PM | #8 |
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@unreformed66
Hi, I agree 3 seconds is not bad for a vintage watch. But my watch has just 2 months of life and I still have 5 years warranty. So, since they sell it for -2/+2 I'm wondering if it makes any sense to ask for a revision. My fear is that now is doing -3 and maybe after a revision will do +7 (just to say). Is this possible? Or when they exit a revision they are really in specs? |
26 January 2017, 11:23 PM | #9 |
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As others have said, wait it out. But if you can't wait have them open it up and fiddle with it. I wouldn't but to each his own. Another option is to have them place the watch on a timegrapher to measure its performance without opening.
As for warranty, it was a perfectly good watch until you dropped it. But remember damage caused by misuse is not covered. So if they do open it up and find anything amiss, it will be at your expense to fix it.
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27 January 2017, 06:40 PM | #10 |
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Hi 77T,
do you think a 40cm drop on some sort of rubber floor could have done damages? I was confident that paraflex would have been able to cope with it. Or not? |
27 January 2017, 08:21 PM | #11 |
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I feel you're overthinking this for going onto 6 days now. Wait it out - if a month from now it begins to become grossly inaccurate then you can have it assessed.
The slight change in accuracy you reported is not a symptom of internal damage. Going from -2s to -3s per day is a change of 1/86,400 - or .0011574% and that is not momentous. Move on to things that matter more - like those desk swirls on the clasp.
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27 January 2017, 08:28 PM | #12 | |
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ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder |
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27 January 2017, 08:41 PM | #13 |
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I personally think you are overthinking everything.
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2 March 2017, 02:19 AM | #14 |
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Hi guys, thank you all for the answers. Maybe it's true, I'm overthinking. The watch is keeping very good time in the long run (I think it's around -2 seconds per 2/3 weeks) even if the variations are big. Normally it stays around -2/-3 per day but sometimes, when not worn, it takes few seconds per day. Also, yesterday I didn't wear it and it lost like 5 seconds.... Not sure how to interpret all this, even if I love the watch and its accuracy.
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2 March 2017, 06:23 AM | #15 |
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As mentioned from some of the others, the accuracy can alter depending on use.
I have a 20 year old 16700 GMT that I bought a year ago. I have an atomic clock app on my iphone and out of interest I used to keep an eye on the accuracy with it, generally the watch was about +3 seconds a day , this was when the watch used to be worn sometimes and on a winder other times. I decided a few weeks ago to wear it more as my daytime work ( I am a builder, and " on the tools" ) was going through a less physical period where the watch was less likely to get scratched etc. I then found that the watch was more accurate just by being used every day, at the moment right now it has gained 5 seconds since 13th February which was the last time I set it by the atomic clock. To say I am amazed by this is an understatement, after a year of +3s as day with partial use it has gone to this !
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