Thank you Chaos for the above link, very useful :)
Here is the battery details
Maxell, CR2032, 3V
Hitachi Maxell Ltd Japan.
I will google it and check it out.
EDIT: Hi there - I just bought the exact same battery by a jewellery store across the road from here. Thanks for the help guys. PEople at work think I know what I am doing but its all you guys.