Pocket watch: Vacheron & Constantin 1st class observatory chronometer, No.332548, Geneva observatory 1905, with original box: Ca. Ø53mm, ca. 123g, 18K gold, hunting case à-goutte, case number 204335, dome marked as 1st class observatory chronometer, extremely rare and special chronometer calibre, special fine adjusting device, wolf's toothing No. 332548, perfectly preserved enamel dial, golden Breguet hands, in working order, cleaning recommended, in very beautiful condition, possibly original mahogany box with mother-of-pearl inlay. The watch comes with copies of the original documents of the chronometer test at the Geneva Observatory in 1905.