mechanism: brass, steel; bell: bronze; case: brass partly silvered and gilded, glass; Casting, engraving, cutting, silvering, gilding, oxidizing; 10 x 13.3 x 12.2 cm; dial: 9.1 x 9.1 cm; ring diameter 9.1 cm; width 2.3 cm; Signed on lower panel: Albrecht / Erb in Wienn; Vienna, 1680-1690. Tiled clock with two hands, with a mechanism with a plate skeleton and a spring drive, beating the hours, ...