THERE ARE MANY VERSIONS OF THESES WATCHES. The Bezel is 38mm outside.
31.75mm inside around glass. 34mm backside where is attached to the case. The item "Chronosport Chronograph Military Pilot 38mm Slide Rule Bezel Lunette NOS" is in sale since Sunday, May 17, 2020. This item is in the category "Jewellery & Watches\Watches, Parts & Accessories\Watches\Other Watches".
The seller is "highgradewatchparts" and is located in Vancouver, BC. This item can be shipped to Canada, all countries in Europe, United States, Australia, Japan.