Hi, I picked up an MWC diver recently. The reason I'm posting in the Seiko section is it runs an NH15 automatic Seiko movement and I'd like some advice on it from you knowledgeable lot! Because I believe I have a problem but I could be wrong. Here's the watch:
Now I wind it up fully, I've tried doing this manually and by gently swaying the watch back and forth for a good couple of minutes and feeling the rotor turn with each swing. However, the damn thing will only run for 24 to 28 hours. It's brand new (well about 2 weeks old). Do they need 'bedding in'? Should I just be patient or is it under-performing from the off?
I've tested it against other auto movements like an ancient (1970) 17 jewel Seiko I have and a Citizen diver with a Miyota movement and both keep running long after the new NH15 has stopped. What's going on?! Thanks :)