SWISS. AN 18K GOLD OPENFACE SPLIT SECONDS CHRONOGRAPH KEYLESS LEVER POCKET WATCH
Retailed by Tiffany & Co., No. 78595, circa 1900
With three-quarter plate nickel-finished lever movement, bi-metallic compensation balance, micrometer regulator, gold cuvette, white enamel dial with Breguet numerals, subsidiary seconds, polished case with hidden hinge, case, dial and movement signed for Tiffany & Co.