Qualcomm has helped watchmaker Timex to produce its first smartwatch, which offers connectivity through AT&T's network across the US and Canada.
Aimed at the fitness market, the Ironman One connects to the internet without having to tether to a smartphone. Users are able to send emails and share fitness statistics through social networks.
The device, which is scheduled to launch in the autumn initially in the United States, uses a cloud-based service delivery platform managed by Synchronoss, which also built the device's app and web portal.
Smartphone manufacturers are trying to muscle into the wearables space in an attempt to emulate the success of companies such as Pebble. In June, Google announced the first devices running its Android Wear OS would be made by Samsung and LG, with a Motorola device to follow. Apple has been widely predicted to launch its own wearable this autumn.
Derek Aberle, President of Qualcomm Incorporated, said: "Wearables, including smartwatches, is an emerging category that holds significant promise for Qualcomm, and we are very pleased to have worked with Timex and AT&T on the development of the Ironman One GPS+ sports watch and delivery platform.
"The watch combines the human wrist ergonomics expertise of Timex with proven Qualcomm technologies and will provide fitness enthusiasts with a truly unparalleled design and connected experience."
Annette S Olsen, Chairman of Timex Group, added: "Our collaboration with industry stalwarts Qualcomm and AT&T has enabled us to introduce the first smartwatch that offers standalone wireless connectivity without a phone and has great appeal to a broad range of fitness enthusiasts as well as tech-savvy individuals."