SEIKO rare gents wristwatch with chronograph reference 5717-8990, Japan around 1965, manual winding, stainless steel case, Seiko bracelet with deployant clasp (one part/skein of bracelet neutral replaced), on both sides revolving bezel with 60-minutes-graduation, gray dial with raised hour-indices, luminous hands, calibre 5717A with intermediate wheel, 21 jewels, diameter approx. 37 mm, length approx. 20 cm, condition 2-3