细节
A. Lange & Söhne. A fine 18K gold openface keyless lever watch with quality 1A movement
Signed A. Lange & Söhne, Glashütte B/Dresden, no. 56'648, retailed by Frederico Krüssmann, manufactured in 1906
Cal. 45 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, gold cuvette engraved Relogio de Precisao Frederico Krüssmann, white enamel dial, Arabic numerals, gold Louis XV hands, outer railway minute divisions, subsidiary seconds, circular Royal case, engine-turned hinged back, case, dial and movement signed by maker, cuvette signed by maker and retailer
54 mm. diam.