New rolex running VERY fast

[efingal]

I purchased a brand new GMTIIc a year or so ago. It ran 4-5 seconds slow a day right out of the box. My father was a "master watchmaker" - 65 years on the bench, so growing up in a watch environment ( a story for another post ), I had always heard that a new watch needs sometime to " settle in ". I wore the watch for 6 months, and although as a practical timepiece it was wonderful, I too am of the mind that if you pay thousands for a new Rolex, it should run as well as it can. I took it back to the AD and it was sent to RSC in Dallas. It came back in 3 weeks and now it is +1 or 2 seconds a MONTH! More accurate than a quartz. When the watches are shipped from the factory, they may sit on the shelf for months or years, not running ( I have other watches that ran very well right out of the box however ). That leads me to a mind that a " just serviced " watch may run better than a BNIB watch. If I were the original poster, I would wear it a while, and if it doesn't improve, send it to RSC. I think he'd be much happier.

[Fredwatch]

8+ sec/day shouldn’t too bad though it’s out of COSC spec. But what about a 30-40+ sec fast for an 12 hour period while being worn on wrist?

I have a brand new Sub-c since Sep 27th and have been wearing it 12 hours a day and laying it flat dial up in box for the other 12 hours at night. During the past 3 days, the results are very weird:

Day 1:
+4 sec, dial up in box (after full manual wind), 12 hours
+44 sec, on wrist, 12 hours

Day 2:
+1 sec, dial up in box, 12 hours
+30 sec, on wrist, 12 hours

Day 3:
+0 sec, dial up in box, 12 hours

Apart from the variance, I’m more concerned about the inconsistency of the variance. I’m now wearing it while I type. Will be interested in knowing that the next number will be after work.

Any ideas what is going on?

[George Ab]

Originally Posted by 11618

What Is the COSC Spec

http://en.wikipedia.org/wiki/COSC

[ted maran]

Hello all,

I am writing in response to the post by bmendick1 regarding his new Sub running 10 seconds fast per day. I know it's probably way past a time when my 2 cents will matter, but maybe it will help someone who stumbles across it in the future.

In 1958, my grandfather (A merchant marine captain) bought a Rolex. A plain, simple Oyster Perpetual. For the following 35 years he sent it back to Rolex, in Switzerland, for cleaning, lubrication, etc. EVERY 4 years. T was supposed to go to me on his passing, but it was stolen before he passed away. For 35 years, that watch ran 4 minutes a week fast. That's a bit over 34 seconds a day. He told me that it was fine, as long as it ran exactly the same amount fast every day (that way you could just take the error into account when doing navigation calculations). The watch was magnificent.

Today, I really can't afford a Rolex. I have an Omega Seamaster Professional Quartz. (A 20th anniversary gift from my wife.) That watch is 8 years old now, and still keeps within 2 seconds per month.

Recently, I saw an Invicta Pro Diver 8928 OB (a close copy of the Submariner, with gold trim and a blue dial and bezel.) Despite Invicta's spotty reputation, this watch has one of the rather new Seiko movements (the NH35a), and looks absolutely great! With great trepidation, I bought it. (It is a very inexpensive watch.)

I set it to the Official US Time web site, and I am stunned to tell you that this cheap watch (automatic, not the quartz model) has been keeping to within 4 seconds a week fast.

So, to all you folks who own Rolex watches that run 10 seconds or more fast per day, I have a question for you......Wanna trade?

If you really think that split second accuracy is that important, I'll send you my cheap Invicta, and you can send me your Rolex. Any takers?