37,5mm steel case
19mm band width
Automatic movement (Cal. TDB-K) with chronograph and date
Year: 1970-1980
No box, no papers (1500)
Freshly serviced in 2018.04

More info from werk:
http://www.ranfft.de/cgi-bin/bidfun-db.cgi?12&ranfft&0&2uswk&TDB_1369

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Keywords:1500, 1970-1980, 19mm, 37mm, EUR1000-2000, automatic, chronograph, date, kelek, serviced, steel, vintage