Joh(annes) Heckel. A silver and polychrome enamel open-faced watch Continental circa 1760, gilt full plate movement signed Joh Heckel Warshau, verge fusee escapement, pierced and engraved balance cock, baluster pillars, white enamel dial, Roman numerals, outer Arabic minute track, fancy gilt hands, the inner case painted with an enamel scene of a cherub riding on a winged globe of the world, the outer depicting a maiden in a classical celestial setting, movement signed, diameter 46 mm. Accompanied by two keys.