OMEGA Seamaster chronometer gents wristwatch with tuning-fork movement, Switzerland around 1971, reference 198.0013, stainless steel case, screwed down case back, including original bracelet with deployant clasp, black dial with raised hour-indexes, date, gold- plated movement calibre 1250, 12 jewels, diameter approx. 41 mm, length approx. 20,5 cm, condition 2-3, property of a collector