Gold Split second Watch no. 330

Case: Dial: Movement: Provenance: 18?? - Potter, Geneve 2002 - Christie's, 6 Dec 2002, est $20-30,000, sold $45,410, "Albert H. Potter & Co. A fine and rare 18K gold hunter case two train split second chronograph keyless lever watch with flying 1/4ths of a second Signed Albert H. Potter & Co., Geneva, No. 330, circa 1880 With nickel-finished jewelled two train lever movement, bimetallic compensation balance, glazed dust cover, the white enamel dial with Roman numerals, outer seconds track with Arabic five minute divisions, blued steel moon-style hands, subsidiary dial indicating flying 1/4ths of a second, the large circular case with engraved monograms to both sides, split second chronograph mechanism and flying 1/4ths of a second operated by two buttons in the band, case, dial and movement signed 55 mm. diam. "