GoWesty lists these:

http://www.gowesty.com/ec_view_details.php?id=3585&category_id=207&category_parent_id=

They're the black ones, though- you say yours are white? I used the black ones when I needed them, and ordered a few extra. If they are the ones you need, and you can wait until Blue Rocks, you can buy one of mine for the $2.00 I paid for it. 

Can't help on the clock repair.

Ed
                                          
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