WOW!! In all my years (I'm 54), I've NEVER had all the problems that seem to pervade these pages; viz. "I just got my new Seamaster and its running 8 seconds fast per day. What oh what should I do?" Or, "I just received my new SMP and there was some lint in it, so I sent it back to the Service Center, and it came back with scratches on the bracelet. What oh what should I do?" This line of palaver. I'll tell you what to do. First (and before purchasing and then asking questions), learn all you can about mechanical watches (they never will keep as good time as a cheap quartz, no matter if they have a COSC certificate--a total waste of money in my opinion). Second, find a reputable watchmaker in your area. How? Ask questions from people you know and respect who live in you area. Take your watch there. Its better to pay a few $$ (even if you're under warranty and didn't buy from an Official Dealer, who should then perform minor corrections, etc. in house). I've had to do this in this past. Avoids a lot of irritation. I own 6 mechanical watches currently and have sold or traded 4-5 others. Never had all these difficulties. Maybe I'm exceptional, but don't think so. Understand the characteristics/limitations (v. Quartz) of your mechanical watch and find a reputable watch-maker. Sometimes they will do minor work for free if they think you'll come back.