Anon. An 18K gold hunter case two train independent centre seconds keywound lever watch with flying fourths of a second
Unsigned, no. 100'759, circa 1870
Cal. 20''' nickel-finished jewelled two train lever movement, bimetallic compensation balance, gold cuvette, white enamel dial, Roman numerals, outer minute divisions, blued steel moon-style hands, independent centre seconds, subsidiary dial for flying fourths of a second, activated/stopped by depressing a button in the band, circular engine-turned case, ribbed band unsigned, case stamped B.A.
54 mm. diam.