IWC early open face silver pocket watch calibre 52, Switzerland around 1888, engine- turned case dent, two-piece construction frame-enamel dial with rare early signature (hairlines), Roman numerals, gilded hands, gold-plated movement with 3 screwed chatons, screw balance with blued Breguet balance- spring, diameter approx. 52 mm, needs to be serviced, condition 3