Genuine World War 2 Hamilton Ship Chronometer model 21 ESCAPE WHEEL. The picture of the chronometer is shown in the third picture.  We have been repairing these chronometers for over 30 years and you are getting a good inspected part.  We are running out and only have a few more!   Note we sell the repair manual and can send via electronic transfer world wide or on a thumb drive.  We also have many other parts for the Hamilton model 21 chronometer including the balance staff escapement jewels etc. 

International orders are welcome, but note you must take care of any VAT, customs, etc that your country imposes. Member  of NAWCC and AWI. Check out our eBay store and watchdoc.com for more information on watch repair, watch parts, etc. Many thanks, Dr. Ed, the WatchDoc.