OMEGA SPEEDMASTER REF. 145.022ST
Beautiful and rare steel chronograph. Round case, 42 mm in diameter. Screw-down caseback. Black dial with three counters, minute totalizer at 3 o’clock, hour totalizer at 6 o’clock and permanent second hand at 9 o’clock. Black bezel with tachymeter scale. Hand-wound mechanical movement. Caliber 861.