HAOFA Model 1991-1 Diamond Bezel Middle Size Automatic Watch

Product Parameter

Model:1991-1
Movement:2H10
Drive:Single spring
Winding method:Automatic winding 
Power reserve:40 (hours) 
Vibration frequency:21600 (times/hour) 
Case diameter:43-37.5mm
Crystal material:Sapphire
Case material:Stainless Steel
Back Cover:Sapphire
Strap material:Rubber
Water resistance:50 meters 
Crown:Straight in