Jacques du Manoir Pocket Watch, Brass case, skeleton watch, mechanical movement, Unitas 16 1/2 6497, Roman numerals. Jacques du Manoir is a well known watch brand in Switzerland. Jacques du Manoir offers a wide reange of wristwatches as well as pocket watches made with genuine Swiss-made quartz and mechanical movements. Jacques du Manoir manufactures wonderful wristwatches with this classical touch that you only find on genuine Swiss watches. All the watches are Swiss-made and assembled by hand in Switzerland. They come in a gift box. All watches come with a 1-year international warranty with after-sale service in the U.S.