RECONVILLER, SALTERELLO POCKET WATCH, SWISS 1927 White metal case 52 mm in diameter, white enamel dial with window at 12 o'clock for jumping hours, brass minute hand, Roskoph-type movement. Watch currently in working order. RECONVILLER, A JUMP HOURS OPEN FACE POCKET WATCH, SWITZERLAND 1927 Patent filed 14 December 1926 and published September 1927