细节
Audemars Piguet. A fine and unusual 18K pink gold two train openface split seconds chronograph keyless lever watch with flying 1/4ths of a second
Signed Audemars Piguet & Co., Brassus & Geneve, No. 3'340, manufactured in 1892
Cal. 19''' nickel-finished fully jewelled two-train lever movement, bimetallic compensation balance, cam wheel regulator, glazed dust cover, American pink gold cuvette engraved Jules H. Burwell from his St. Paul Friends September 1892, white enamel dial, offset Roman numerals, outer enlarged minute divisions, blued steel spade hands, two subsidiary dials for 30 minutes register and flying 1/4th of a second, circular plain American case, engraved initials JHB to the hinged back, split seconds chronograph mechanism operated through a button in the band and through the crown, case and cuvette numbered, movement signed and numbered
52 mm. diam.