Early 20th century (1910-1925) featuring a swiss movement 18kt gold Glasgow hallmark for 1924 the import mark was used from 1906-1964. Trench style watch weight is 30.17 grams including strap The dial is marked Sorley Glasgow identifying it as being retailed by Robert and William Sorley, a prominent jewellery and watchmaker located on Buchanan and Argyle sts Glasgow Scotland. movement engraved with Stauffer & Co the official distributors of IWC in the UK at the time of production all our watches are checked by our watchmaker posted with DHL Express