FORTIS Marinemaster Valjoux 72 rare intermediate wheel chronograph in steel, Switzerland around 1965, manual winding, screwed down case reference 8001 rear site abraded, original NSA-stainless steel bracelet, black turning bezel with 60- minutes-graduation, black dial, silvered/ yellow/orange sub-dials, original hands, rhodium plated movement, 17 jewels, diameter approx. 39 mm, length approx. 20,5 cm, condition 2-3