Casio announced a new G-Shock GBA-400 watch with Bluetooth connectivity that can control the music player on your smart phone. In addition, the new GBA-400 model has the "SoundHound" app built-in and can recognize the music playing around you and display the title on the LCD screen (similar to the Shazam app). Check pricing and availability on Amazon and eBay.
Read more on Casio website