[OMEGA Watches]Omega Speedmaster series coaxial chronograph watchesModel:31

[OMEGA Watches] Omega Speedmaster series coaxial chronograph watches Model:311.30.44.51.01.002 TVS independently developed the Model 9900 Zhizhen Observatory dual-T movement The 3-o'clock clock is the [12-hour] and [60-minute] cumulative chronograph All functions and appearance are consistent with the original TVS's ingenious work Vibration frequency:28800 oscillations per hour Power reserve:60 hours Stainless steel case strap Arc arched double-sided anti-reflection and anti-wear glass