A Victorian Rosewood and brass-inlaid two-day marine chronometer with hartnup balance William Bond & Son, No. 289. Circa 1870 The dial signed Wm. Bond & Son Boston No. 289 with later gold hour and minute hands, blued steel hands to the up/down dial and seconds ring, the movement with reversed fusee, Earnshaw-type spring detent escapement with Hartnup's cut bimetallic balance, blued steel helical balance spring, the dial plate punch-numbered 1026 , similarly numbered bowl, the three-tier brass-bound rosewood box, top lid replaced, with mother-of-pearl plaque to the front engraved Wm. Bond & Son, Boston 100mm. dial diameter; 188mm. square box
A Victorian Rosewood and brass-inlaid two-day marine chronometer with hartnup balance William Bond & Son, No. 289. Circa 1870 The dial signed Wm. Bond & Son Boston No. 289 with later gold hour and minute hands, blued steel hands to the up/down dial and seconds ring, the movement with reversed fusee, Earnshaw-type spring detent escapement with Hartnup's cut bimetallic balance, blued steel helical balance spring, the dial plate punch-numbered 1026 , similarly numbered bowl, the three-tier brass-bound rosewood box, top lid replaced, with mother-of-pearl plaque to the front engraved Wm. Bond & Son, Boston 100mm. dial diameter; 188mm. square box
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