ZENITH Cal. 120-T Observatory (Special 17J)



ZENITH cal. 120-T in heavy gold plated case (with long lugs). From a small production run in 17 jewels (normally 18 jewels). The movement features the famous seconds-stop mechanism, which means that the watch stops running when the crown is pulled out. The cal. 120-T differs from the 120 by the steel movement, other than brass. It also has a fine regulation mechanism on the balance. Cal. 120-T was produced in a batch of 18.000 between 1961 and 1963. The movement is, like the Cal. 135, engineered by Ephrem Jobin.
The watch has been recently serviced by us.


Movement Design
Caliber 120-T Diameter 35 mm
Chronometer - Case Material Gold plated 40 micron
Automatic - Crown ZENITH Star logo
Jewels 17 Closure Buckle
Recently serviced Yes Strap Brown leather
Year ± 1960 Case Back Screw back
Original box - Papers -
Condition Good Availability Immediately

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