GIRARD PERREGAUX LADIES' "TANK" WRISTWATCH FROM THE 40S In yellow gold, set with diamonds on platinum, revealing a cream dial signed Girard Perregaux, Arabic numerals for the hours and a railway track. The bracelet consists of a series of curved and articulated links centred on a line of diamonds on platinum. A diamond, platinum and 18k gold lady's wristwatch by Girard Perregaux. Circa 1940. RC : Length: 19 cm approx. Gross weight: 71.8 g (Pt - 950 and 18k - 750).