My less than 6 month old Sinn has been intermittently stopping for the last few hours. When I shake the watch it starts again but it seems like the power reserve is severely limited. My first thought is that the spring has just been wound down but I wear this watch for 12+ hours a day every day.
Is there something that I can do to troubleshoot this problem or should I take it to a watchmaker?
EDIT: the watch stops in 3 minutes after being fully wound through the crown.