細節
Swiss. A fine 18K gold openface minute repeating split second chronograph keyless lever watch
Unsigned, retailed by Tiffany & Co., circa 1915
With nickel-finished jewelled lever movement, bimetallic compensation balance, minute repeating on two gongs, gold cuvette, the white enamel dial with stylized Arabic numerals, outer gilt Arabic five minute divisions, further bordered by chapter ring calibrated for 300 units, blued steel spade hands, two subsidiary dials indicating 30 minute register and constant seconds, the circular case with plain hinged back, minute repeat activated through a slide in the band, split second chronograph activated through a button in the crown and a button in the band, case and cuvette numbered, movement and dial signed by retailer
46 mm. diam.