Pocket watch: heavy English pocket chronometer with spring detent chronometer escapement, William Smith London No.378, ca. 1820: Ca. Ø56mm, ca. 135g, gold case, both sides glazed, signed and numbered English chronometer movement with spring detent chronometer escapement, chronometer balance with 2 cylindrical gold weights and 2 trapezoidal weights, helical hairspring, enamelled dial, later hands, ticking, but service recommended.