Swiss silver lever made for the Hispanic market Circa 1906

Silver open faced pocket watch
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A fine and rare, large Swiss, keyless, silver pocket watch, circa 1906. Made for the Hispanic Market by Vacheron & Constantin, Genève, retailed by Angel Santini, Buenos Aires. A solid, hinged silver cuvette, polished bezels and band, case back engine-turned. White enamel dial with painted radial Roman numerals, outer minute track, subsidiary seconds dial. Blued steel spade hands. A frosted gilt movement, 17 jewels, wolf’s tooth winding, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometre regulator. Dial signed by the retailer, case, cuvette and movement signed by Vacheron & Constantin.
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Diameter: 58 mm
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Signed: Vacheron & Constantin  Genève