Screw down crown functions normally. Stainless watch case and crystal are in very good condition, with some very minor marks from normal wear. Please inspect photos for condition. You can see them in one of the photos. Swiss Army the watch company later became Victorinox Swiss Army, but this watch is an early example before the name change/logo change.
There's a great review you can learn all about the entire Seaplane product line here. The item "Victorinox Swiss Army Air Force SeaPlane XL Mechanical Hand Wind Watch 24076" is in sale since Sunday, December 16, 2018. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Wristwatches"." and is located in Marietta, Georgia. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion.