Details
A TWO-DAY GERMAN MARINE CHRONOMETER
W. Brocking, Hamburg, No. 1117, circa 1880
The silvered dial signed and numbered W. BROCKING. Hamburg. 1117, Roman hour numerals, gold hour and minute hands, subsidiary seconds and up-and-down dials with blued steel hands, Earnshaw escapement, cut bimetallic balance, circular heat compensation weights, blued steel helical balance spring, spring foot detent with jewelled locking stone, brass bowl, gimballed in three-tier brass bound rosewood box, the middle section with unsigned bone plaque, external brass drop handles
102 mm. dial diam., 163 mm. sq. box
W. Brocking, Hamburg, No. 1117, circa 1880
The silvered dial signed and numbered W. BROCKING. Hamburg. 1117, Roman hour numerals, gold hour and minute hands, subsidiary seconds and up-and-down dials with blued steel hands, Earnshaw escapement, cut bimetallic balance, circular heat compensation weights, blued steel helical balance spring, spring foot detent with jewelled locking stone, brass bowl, gimballed in three-tier brass bound rosewood box, the middle section with unsigned bone plaque, external brass drop handles
102 mm. dial diam., 163 mm. sq. box