The Galaxy Gear will come in six colours and have 4GB of storage and with a1.6" screen, Samsung say they have designed the watch to last for more than a day on a single charge.
The Gear will be available in the US and Japan in October, but the rest of the world will have it later this month.
More top news
Ex-Dragon's Den star Doug Richard has pleaded not guilty to a string of child sex charges after appearing before the Old Bailey.
The independent child sexual abuse inquiry has named the first institutions facing investigation - including local councils and the Church.
The Queen has paid tribute to both her husband and son in her opening speech at this year's Commonwealth summit.