OMEGA, Speedmaster Professional, "Tachymètre", chronograph, wristwatch, 42 mm,
steel, manual winding, plastic crystal, original bracelet, folding clasp, certificate, January 2018, box, paper box.
Caliber 1861, Movement No. 78757825, Serial No. 78757825, PIC no. 311.30.42.30.01.005,
Mint