Samsung S9110

Samsung S9110

Samsung Electronics announced the world's slimmest "watch phone".

The handset is 11.98 millimetres (0.48 inches) thick.

The firm plans to sell the new phone, priced at around 450 euros (639 dollars), first in France this month and then other European markets.

The mobile has a 1.76-inch touch screen on which users can check e-mails and play MP3s as well as make calls. It also has a Bluetooth function and voice recognition.