Thank you for this product review.
We are the manufacturers of the MultiRun 100 watch and have been very sorry to learn that you obviously received a faulty product.
We only wish you would have contacted us directly. You have a full 2 year warranty for this product, and we would have been glad to send you a replacement at once. All our contact details are mentioned in the user instructions for this purpose.
Unfortunately we can't contact you directly. We would be glad to help if you contact us using the mail form on www.ultrasport.net or if you send a direct email to email@example.com. You can also call our telephone hotline and talk directly to the service staff: 00800 880 880 08.
We would like to apologize once more for the inconvenience caused and hope to hear from you soon, so we can be of help as quickly as possible.
With kind regards,
Ultrasport Service Team