Haofa 1909S Men‘s Automatic Winding Watches Full Diamond Stainless Steel Case

Product Information:

Model:1909S
Movement:7H50
Drive: Single spring
Power reserve:80 (hours) 
Winding method: Automatic winding 
Vibration frequency:28800 (times/hour) 
Case diameter:43x49.5mm
Case thickness:14mm
Strap width:18.5-25.6mm
Case Material: Stainless steel
Strap Material:Rubber
Waterproof:50m