Gentleman's pocket watch jump cover, 585/000 GG, unstamped but tested, 2 covers gold, circa 1900, case guilloched and engraved, lateral dents, front with engraving cartouche and engraving DG, white enamel dial with black arab. Hands gilded, small second at 6 o'clock, second hand only half present, glass worn, movement with lever escapement, Breguet hairspring and temperature compensation ring, starts, diameter 50mm, height 11mm, total weight approx. 70,4gPocket and wrist watches