Omega 321.33.44.52.01.001
Omega, Special Series, model: 321.33.44.52.01.001, Olympic Reissue, men's wristwatch, Automatic mechanical, certified by Swiss Observatory, Watch diameter: 44.25mm, stainless steel case, black dial with three-eye chronograph layout, sapphire glass with double-sided anti-reflection, paired with stainless steel folding clasp, water-resistant to 100 meters