Swiss silver deck watch for the british Royal Navy Circa 1945

Silver deck watch by Vacheron & Constantin 
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A rare Geneva deck watch for the british Royal Navy , circa 1945. Silver case, polished, silver dome, military engraving “h.s.2 54868” Dial is silvered, arabic numerals, central seconds,  blue spade hands, bridge movement, gilt, “fausses cotes”decoration, indirect centre seconds, gold screw guillaume balance, blued balance spring, index spring fine adjusting device.
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Diameter: 60 mm
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Weight: 160 g
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Signed: Vacheron & Constantin a Geneva
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