Apple Watch 2 brings GPS, waterproofing and faster processing

Apple COO Jeff Williams announced the new wearable device in San Francisco, which is faster and performs more functions when not tethered to an iPhone

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New waterproof series 2 Apple Watches are coming by the end of this month, the company announced at its autumn iPhone 7 launch event in San Francisco.

Apple's smartwatch line is getting its first hardware update since it was launched in April 2015, gaining improved components including a new, longer-lasting battery and waterproofing to 50m - deeper than most other smartwatches - to track swimming and other water-based sports.