Men's Oris big crown 25-jewel automatic aviation watch ref.7463b measures 36mm without the large crown. Display caseback showing 25-jewel ETA 2428 movement. Acrylic crystal. For vintage look on Rios1931 strap. The case is in excellent condition and near mint and the crystal might have minor scratches. Originally designed as a gentleman’s aviation watch, the Big Crown practically remaining unchanged since its introduction in 1928 where the 7463B stays most true to the original. Watch strap length including watch is 22 cm. Comes with box and certificate Insured shipment with tracking. Important duty may apply.