Omega Speedmaster ’57 331.10.42.51.01.002

Equipped with Cal.9300 automatic‑winding chronograph movement, double‑T black rotor. 3‑o’clock position with 12‑hour chronograph counter and 60‑minute chronograph counter, 9‑o’clock position with small seconds sub‑dial. 41.5mm case, stainless steel case and bracelet, black dial, luminous hour and minute hands, domed sapphire crystal.