Model:1990 Movement:7H50 Drive:Single spring Winding method:Automatic winding Power reserve:80 (hours) Vibration frequency:28800 (times/hour) Case diameter:43-49.5mm Case thickness:14mm Strap width:20-26mm Crystal material:Sapphire Bezel material:Carbon Fiber Back Cover material:Carbon Fiber Strap material:Rubber Water resistance:50 meters Crown:Straight in
