Revue Thommen Airspeed 5310001

REVUE THOMMEN Airspeed Altimeter gents wristwatch with altimeter in steel reference 5310001, manual winding, Switzerland around 1990, including original bracelet with deployant clasp, screwed-down case back and winding crown, bidirectional revolving bezel with altimeter scale, frosted black tritium- dial with Arabic luminous numerals, luminous hands, central altimeter-hand, constant second at 6, rhodium plated movement calibre Peseux 7001 with applied altimeter, diameter approx. 40 mm, length approx. 19 cm, condition 2, property of a collector