Hasler & Co. SA, Tramelan

European Watch Clock and Jewellery Fair 1993 BF 201
Selfwinding chronographs remain as popular as ever. This Hasler design’s 18K gold case holds a Valjoux 7751 13 1/4-line movement, with 60-second, 30-minute and 12-hour totalizers; day, month and moonphase apertures in the dial; pointer-type date calendar plus special 24-hour hand. (HASLER & Co. SA, Tramelan)