Model:1993-S Movement:2H10 Drive: Single spring Winding method: Automatic winding Power reserve:40 (hours) Vibration frequency:21600 (times/hour) Case diameter:43-37.5mm Case Material: Stainless Steel Strap Material: Rubber Waterproof:50m Crystal Material: Synthetic Sapphire Back Cover: Synthetic Sapphire Crown:Straight in
