An antique early 20th-century sterling silver hunter-case pocket watch by Girard-Perregaux, a luxury Swiss clock manufacture. Guilloche surface, gilt crown. White enamel dial with Arabic numerals and sub-dial, marked Girard-Perregaux Chaux-de-Fonds. Girard-Perregaux hallmark, K and M 0.900, Swiss bear mark, hand-etched inscription Juan Vecca are on the inner side of the lid. Collectible Clocks And Watches.