Take a look at
http://www.belling.co.uk/products
Select Product type.
User manuals are available after selecting the "More" tab.
The 358 electric double oven has a clock with 5 buttons
http://www.belling.co.uk/uploadedFiles/Shared_Resources/Documents/Belling/Manual/Belling 358 Handbook Amended.pdf
Bob, March 2011