A. LANGE & SÖHNE. A FINE AND RARE 18K PINK GOLD HUNTER CASE DUAL TIME KEYLESS LEVER CHRONOMETER WITH QUALITY 1A MOVEMENT
UNSIGNED, NO. 15083, CIRCA 1880
Quality 1A three quarter plate gilt-finished fully jewelled lever movement with screwed gold chatons, blued screws, finely hand-engraved balance bridge, bimetallic compensation balance with gold screws, gold lever and escape wheel, micrometer regulator, diamond endstone, pink gold cuvette, white enamel dial, Roman numerals, dual time indicated by by a second hour and minute hand, subsidiary seconds, plain circular case, dual time operated by a button at 4 o'clock and through the crown, case, movement and cuvette numbered
54 mm. diam.