With just hours to go before Nokia World kicks off in London, two documents detailing the two phones the Finnish company is expected to launch have leaked on the Internet.

The Nokia Lumia 800 and the Nokia Lumia 710 will be, according to Winrumours.com, the new names for the new Windows Phone 7 smartphones from Nokia.

The Nokia Lumia 800 is expected to be the official name for the previously dubbed “Sea Ray”. That name has already turned up thanks to leaked photos from the camera on Flickr. The spy shots show that the phone will measure 116.5 x 61.2 x 121mm and weight 142g. it will have 512MB of RAM and of course as with all Windows Phone 7 handsets not sport a micro SD card. Talk time is supposedly 5 hours on 3G and you'll get 50 hours of music playback. Idle time is around 380 - 390 hours. Other Nokia Lumia 800 specs aren't given.

The Nokia Lumia 710 is expected to be the official name of the phone that has been doing the rounds in the rumourmill as the Nokia Sabre. The spy shot of the Nokai Lumia 710 suggests a size of 119 x 62 x 12.5mm, 512 RAM, 8GB of storage. Sadly the details about talk time are too blurry to make out. Other Nokia Lumia 710 specs aren't given.

Judging by the pictures, the Nokia Lumia 800 will be a reworking of the Nokia N9 with Windows Phone 7 buttons, while the Lumia 710 will sport a slightly different, less design focused feel.

According to Winrumours, the new phones will be available in November.

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Pocket-lint is at Nokia World in London bringing you all the latest Nokia news as it happens.