LEMANIA pocket watch with intermediate wheel chronograph in stainless steel, Switzerland around 1940, snap on case back and bezel, 2- coloured silvered dial due to age spotty/patinated, tachometer graduation, blued steel hands, display of hours, minutes, constant second & register, 17 jewels, calibre 15TL, screw balance, Breguet balance-spring, incablock shock-absorber, diameter approx. 47 mm, condition 2-3, property of a collector