INDEPENDENT JUMPING SECONDS, SILVER POCKET WATCH, SWISS CIRCA 1870 silver case 47 mm in diameter, Roman numerals for the hours, Arabic numerals in 6 for the minutes, gold seconds track, blue steel hands, centre seconds hand, rare key-winding movement, with 3 winding points (independent jumping seconds, barrel for time, time relay), central jumping seconds bridge, openworked. Movement with cylinder escapement. The seconds can be stopped by moving the lever at 5 o'clock. Watch in perfect working order. Winding key absent. SPLIT ; INDEPENDENT AND JUMPING SECONDS, SILVER POCKET WATCH, SWITZERLAND CIRCA 1870