17J Longines 42.1mm Long Drivers Watch 10K Gold Filled Running and appears to be keeping time. The watch was made in about 1936, 17J  cal 25.17 unadjusted. The watch is 42.1mm from lug tip to lug tip. the case is 35.4mm and is 20.9mm wide. The lugs ARE NOT stationary they move to fit your arm ( see Pict 6 & 7).

The case is 10K Yellow Gold Filled with a small wear spot on the underneath side on each corner. The top side and lugs are not showing wear except for normal wear. On the side it has P.F.HOSS (pict 6) engraved on it. The band is a FLEX-LET 1/20 12K Gold Filled Top of the time period of the watch.

The watch has a new glass crystal and the dial is showing lite Patina but not bad. Think you for looking and be sure check the pictures for I do not except returns nor guarantee vintage watches time keeping.