ZENITH CHRONOGRAPH TROPICAL DIAL STEEL
Zenith, Swiss, case No. 9105170/915219. Made in the 1950's.
Fine, water-resistant, stainless steel wristwatch with round
button chronograph and register.
Two-body, polished, satined, screw-down caseback,
lapidated lugs.
Black/brown with luminous arabic indexes, subsidiary
seconds and 45 minutes register dials. Luminous baton
hands.
Cal. 143-6, rhodium plated, 17 jewels, lever escapement,
monometallic balance, shockabsorber, self-compensating
Breguet balance-spring.