Antique Swiss 800 Silver Pocket Watch Case / Skeleton 8-Day Pocket Watch “Open-Heart” Movement; Schild & Co. Makers of Hebdomas, for private label; c. 1882 -1915; for parts, not working. Stamped 0.800 grade silver, 80% silver with Swiss grouse mark. Stamped 8261 F, indicates for export. Engine-turned guilloche pattern on back cover, ornate unengraved escutcheon in the center, with central decorative sunburst cartouche. Center was left blank for future owner to engrave initials or family crest.