Had to send my watch back 3 times in the first year as the minute hand began to laf behind the digital time.
They then sent me a letter saying that nothing was wrong with any of the parts, but just to check, had changed them all! They suggested that the fact I flew with it may have caused the hands to move seperately, and there was me thinking Breitling is marketed at aircrew!
Funnily enough its worked fine ever since they changed the parts though, just took 4 snotty letters, and a threat to discourage everyone I know from ever buying one including a pending large order from a particular sqn.