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.
Please note that these dials will be manufactured 10 days after the pay is done. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Parts\Bezels & Inserts".