A rare early 19th Century Swiss skeletonised quarter repeater in a gold open face case. Unusual gilt keywind movement, the top plate pierced and engraved to reveal the going train laid out along the centre and repeat train at the edge. Cover of the going barrel pierced to reveal the blue steel mainspring, polished steel sector shaped bridge. The repeating mainspring also visible under a small pierced polished steel bridge. Plain three arm steel balance with blue steel spiral hairspring visible through an aperture in the dial under a polished steel sector shaped cock, polished steel index. Polished steel cylinder, steel escape wheel. Push pendant quarter repeating on two polished and blue steel gongs. Engraved gold mask with the white enamel ring dial at the top, Arabic numerals, blue steel hands. In the centre of the dial an engraved pierced star revealing the motion work. In the lower half of the mask an aperture to reveal the balance. Plain gold open face case with ribbed middle, unusual gold oval push pendant. Glazed sprung cuvette with engrave gilt bezel.