The A-4T Vintage 44 Aero blends WWII piolet watch inpsired with our innovative U.S. patented solid titanium matte finish case. Great care and attention to detail was put forth during development?. thre result is an incredibly well balanced vintage influenced design. Vintage latigo made in the USA bands are period authentic featuring removable post screw fasteners. Leather and nylon bands are interchangeable and post screw is removable with penny coin.