I don't know the model name but do a Search for: LIVE AUCTIONEERS, scroll to and click on: Auction Results Database. Then under Sold Items Search for: SETH THOMAS ADAMANTINE CLOCK - scroll to and click on image of your clock. On the next page again click on the image of your clock to get the some information.
I do not know the model name but you can find some information on eBay by doing a search for these numbers:
221885591991 and 271985782022. After getting to the auction page click on see original listing to view all the pictures.