Waltham Grade 620 New Old Stock Movement - Never Cased

I have a Waltham 16-size movement (Grade 620, Model 1908, 15 jewels) that has never been cased. This is new old stock, still sitting in its original factory tin packaging exactly as it was shipped to retail jewelers around 1917.

Where is the best place to go to find a new home for this?

Thanks in advance for any insight.