Apple CEO Tim Cook speaks during an Apple event announcing the iPhone 6 and the Apple Watch at the Flint Center in Cupertino, California, September 9, 2014. REUTERS/Stephen Lam (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY) 

Apple CEO Tim Cook speaks about the Apple Watch during an Apple event at the Flint Center in Cupertino, California, September 9, 2014. REUTERS/Stephen Lam (United States - Tags: SCIENCE TECHNOLOGY BUSINESS TPX IMAGES OF THE DAY) 

An Apple Watch is shown on screen during an Apple event at the Flint Center in Cupertino, California, September 9, 2014. REUTERS/Stephen Lam REUTERS/Stephen Lam (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY TPX IMAGES OF THE DAY) 

A demo smartwatch is displayed at the Google I/O developers conference in San Francisco June 25, 2014. Picture taken June 25, 2014. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY) 

A visitor holds a Samsung Gear S smartwatch at the IFA consumer technology fair in Berlin, September 5, 2014. REUTERS/Fabrizio Bensch (GERMANY - Tags: BUSINESS SCIENCE TECHNOLOGY)

A Google employee demonstrates the features of the Moto smartwatch at the Google I/O developers conference in San Francisco June 25, 2014. Google Inc's Android software is coming to cars, televisions and watches this year, as the Internet search giant races against Apple Inc and other tech companies to extend its business into a rapidly broadening field of Internet-connected devices. REUTERS/Elijah Nouvelage (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

An LG G Watch R smartwatch is presented at the IFA consumer technology fair in Berlin, September 5, 2014. REUTERS/Fabrizio Bensch (GERMANY - Tags: BUSINESS SCIENCE TECHNOLOGY)

Samsung's new Gear S smartwatch decorated by Swarovski is seen after a presentation at the Unpacked 2014 Episode 2 event ahead of the IFA Electronics show in Berlin, September 3, 2014. REUTERS/Hannibal Hanschke (GERMANY - Tags: BUSINESS SOCIETY SCIENCE TECHNOLOGY)

New Samsung Gear 2 smartwatch is seen on a display at the Mobile World Congress in Barcelona February 23, 2014. Samsung Electronics unveiled a new smart watch and fitness band along with the latest version of its flagship Galaxy smartphone on Monday, demonstrating how the battleground for innovation is shifting from the hand to the wrist. Picture taken on February 23. REUTERS/Albert Gea (SPAIN - Tags: BUSINESS TELECOMS) 

A journalist tries on a Samsung Galaxy Gear smartwatch next to his own watch, after the launch of the smartwatch at the IFA consumer electronics fair in Berlin, September 4, 2013. The IFA consumer electronics and home appliances fair will open its doors to the public from September 6 till 11 in the German capital. REUTERS/Fabrizio Bensch (GERMANY - Tags: BUSINESS TELECOMS SCIENCE TECHNOLOGY)

A Motorola MOTOACTV fitness device is displayed during the 2012 International Consumer Electronics Show (CES) in Las Vegas, Nevada, January 12, 2012. The device wirelessly communicates with headphones, heart monitors and smartphones and the music player determines which songs improve your performance, a representative said. REUTERS/Steve Marcus (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY) 

Woo Paik, President and Chief Technology Officer of LG Electronics Inc, officially unveils the world's first market-ready Touch Watch Phone (Model: LG-GD910) with 3G video telephony service and GSM quadband network capabilities at the annual Consumer Electronics Show (CES) in Las Vegas, Nevada January 7, 2009. The phone features a Flash interface, MP3 player, voice calling, text messaging and text to speech. The phone is set to go on sale in Europe sometime in 2009. The head of LG Electronics Inc U.S. Operations Michael Ahn said that while 2009 will be tough, the consumer electronics maker has no plans to cut spending on new products, citing the need to spur innovation. REUTERS/Rick Wilking (UNITED STATES) 

A 1960's era Dick Tracy wrist radio is seen in District Heights, Maryland September 8, 2014. With the expected release this week of the Apple Watch, which would be the company's first new product since 2010, Tracy's two-way wrist radio from the 1940's could be seen by some as a predecessor to today's smartwatch. Tracy wrist radio courtesy of the National Law Enforcement Museum. REUTERS/Gary Cameron (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS TPX IMAGES OF THE DAY)