John Bruce and Son, 27 Wapping, Liverpool. The sight ring engraved with the initials O.S.S.Co. The three-part case with brass bound edges framing double stringing and recessed brass handles, the top lid with inlaid vacant brass shield, the mid-section with ivory signature and number plaque, the silvered 4 inch Roman dial with minute track enclosing the subsidiary power reserve marked 0-56 and running seconds, signed and numbered in the centre below the red wax legend 'GOLD MEDAL LIVERPOOL 1886', with gold hour and minute hands, the spotted freesprung movement with circular plates united by four turned pillars, the chain fusee movement with maintaining power to an Earnshaw type spring detent escapement with blued steel helical spring and cut and compensated bimetallic balance with circular timing weights, hung in a numbered bowl with sprung rear winding cover suspended in locking gimbals, with safety winding key. The case 18cms (7ins) wide.