Sony shipped its Android-based SmartWatch 2 in the U.S. market, featuring higher-resolution, NFC sync, and water resistance, while also launching its Xperia Z Ultra phablet and Xperia Z1 phone. Meanwhile, Google’s long awaited smartwatch — rumored to be a Nexus model codenamed Gem and featuring Google Now technology — is expected to be unveiled with Android 4.4 (aka KitKat) on Oct. 31.