IWC open pocket watch approx. 1937. Stainless steel, case no.: 992040. Mechanical movement with manual winding Cal. 67, movement number: 957398 with compensation balance and good working order (-17 sec., 310° amplitude), signed 'IWC Probus Scafusia'. Heavily patinated metal dial with Arabic numerals, small seconds at 6 o'clock and interrupted railroad minute track, signed 'International Watch Co. Schaffhausen'. Used condition, case with slight dents, especially on the case back. Diameter approx. 49 mm measured without crown.