An 18ct. white gold, diamond 'Reverso Duetto',...

An 18ct. white gold, diamond 'Reverso Duetto', day and night, wristwatch by Jaeger-LeCoultre, the silvered dial with black Arabic numerals and blued steel hands, the reverse with black dial, Arabic numerals at '3',9' and '12' o'clock, each signed Jaeger LeCoultre with circular-cut diamond line above and below and diamond-set crown, mechanical jewelled lever movement, the case with reference number 269.3.54 case number 2442811, to Jaeger-LeCoultre deployant clasp, circa 2007, European Convent