y put the watch no more than 20 days in total since the date of buy, and one day y was go with car for long traject, y remote my watch that morning (15 turns) like everytyme, and in the day y noted that the time was running to fast!! it was running one half hour to fst! y dont understand the problem y dont find that normal after 20 days of "use" .  if you need toi now it was verry warm that day and in the car, but y dont understand... so here it is. thanks MR Pourtoy James.