His is a BEZEL for the AOPA NAVITIMER OR COSMONAUTE SLIDE RULE INSERT 806 OR 809 Inner diameter 33mm, outer diameter 38mm. This is a NEW bezel for replacement. For any question about Dial Restoring you can ask. The item "VINTAGE AOPA NAVITIMER OR COSMONAUTE SLIDE RULE INSERT 806 OR 809" is in sale since Friday, March 23, 2018. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Parts\Bezels & Inserts".The seller is "dialfactory" and is located in Shipping from South America. This item can be shipped worldwide.