Sinn 140/42

SINN gents wristwatch with chronograph reference 140/42 on the occasion of of the first German Spacelab Mission, Switzerland/Germany around 1990, self winding, solid stainless steel case including original stainless steel bracelet with deployant clasp, case back with appropriate engraving screwed-down, black dial with luminous indices, luminous hands, red counter-hands, day and date, 24-hour-display, revolving inner bezel with 60-minutes graduation by winding crown at 10, calibre Lemania 5100, diameter approx. 43 mm, length approx. 20 cm, condition 2