OMEGA "Speedmaster Professional Automatic... - Lot 91 - Briscadieu

OMEGA "Speedmaster Professional Automatic Mark IV Ref :176.009 Year 1975 Barrel-shaped chronograph from the "Speedmaster Professional" series. Brushed steel case, polished bezel and screw-down caseback with seahorse logo (signed and numbered). Black dial with date window at 3 o'clock and two circled counters (small seconds at 9 o'clock with double 24h function (grey zone), hours on counter at 6 o'clock and large mirage hand for minutes). Tachymeter scale, skeleton hands and large luminescent arrow seconds-hand, tritium index with patina finish. Movement: Mechanical self-winding caliber signed "OMEGA / 1040" Lemania Swiss base. Diameter: 42 mm. 1970s steel bracelet with Omega folding clasp (ref. 1162). Functioning at time of appraisal (Case and original Omega certificate + service documents)