Wrist pedometer?

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I have been using a pedometer on my phone but im looking for something I can wear 24/7 to get a more accurate reading for my steps. I was looking into Nike Sportband but hoping for something a little cheaper. Ive looked into watches but all I find are huge Sports watches that will be way to big for me and I wouldnt wanna wear something so big....

Anyone have any ideas? What do you use? I need something thats girlish....I was something small, something that I wont get irritated wearing haha.