Omega steel watch 125

Steel chronograph watch with automatic movement. Steel “helmet” case, graduated internal tachymeter bezel on a black and white painted flange, fluted crown, screwed back. • Black dial, luminescent painted stick indexes (tritium), straight white painted hands, perpetual seconds at 9 o'clock, elapsed minutes totalizers in the center with plane hand and hours (at 12 o'clock) at 6 o'clock, central arrow second hand for the chronograph function painted in white, 24-hour day/night indication at 9 o'clock, date window at 3 o'clock. Steel bracelet, steel folding clasp (1221/212). Signed case, dial, buckle and movement. Mechanical movement with automatic winding. Caliber 1041 movement - numbered 36.253.016 (circa 1973) Case numbered 1780002/378.0801. Launched to commemorate the 125th anniversary of the manufacture in 1973, the Speedmaster 125 is the world's first certified automatic chronograph produced in series (2,000 examples).