Dufeau Swiss made Automatic Chronograph Pilot watch Screwed crown Leather strap 30 minutes chronostop 12 hours chronostop Mineral glass Date Valjoux 7750 caliber Black color dial 18 mm. Lug 23 cm. Strap This is a very special watch made to commemorate Wilbur and Orville Wright, the brothers who flew the first motorized airplane in history in 1903 41 mm. Case diameter excluding crown 44 mm. Case diameter including crown Dear member of the Catawiki family, we have been happy to serve our valued customers on such a beautiful platform with our wristwatch, pocket watch and lighter products for about 10 years. All kinds of questions, opinions and suggestions are very valuable for us, please do not hesitate to ask. We wish you pleasant shopping. In case of return or exchange for any reason, it is obligatory to comply with the cargo management of the seller. Please note that shipping is done by specifying the exact sales price of the watch, so the buyer is responsible for any customs tax that may arise. We officially ship over the auction amount. Absolutely do not request low price or gift shipments, they are not accepted. Please note the customs duty you may pay accordingly.