Hello Thanks. Sorry for the late reply. Bought this in Germany a few years ago. It is almost in mint condition. This one has unfortunately a slight damage on the dial at 4. r Reference is 9001. Caliber 19 AS. 18 k. Manufactured in 1958 and invoiced on February 12, 1960 to the Company Mitterer in Austria who was their agent then. Bra Anders
The orange second hand and the outer track can be used as a Vernier scale to measure 1/10th's of a second. However, because the beat rate of the watch is lower than 36000 BPH, it is more of a visual element than a functional one.
...there are some more references with this funny second counter hand. The nicest (to me) is the 8225 because of its movement (30CH):