A gold, silver and leather travelling timepiece, Cartier, French, circa 1925

2-inch square matt silvered dial signed Cartier France with gold hands and gold reeded bezel,  8-day fifteen jewel movement with lever escapement signed European Watch and Clock Co., the interior of the silver movement cover similarly signed and numbered 1092/2802, the exterior of the cover engraved Made in France 2802, the outer silver travelling case of camera shape with reeded ends and overlaid with gold studded leather on the central section, the interior similarly numbered