American Watch Company S# 1,059,618, circa 1877, gilded 14 Size Model 1874 movement with Lugrin's patented rear chronograph movement. The rear chronograph mechanism is framed by an annular dial with second indications. The movement is housed in an original 18K gold open face case embossed "A.W.Co.," that was made in the Waltham factory's own case department.
