TAG Heuer Formula One CAH7011.BA0860 Men Watch. Display Type: Chronograph. Item Shape: Round. Band Material: Stainless Steel. BandLength: Men Standard. Case Size Diameter: 44 millimetres. Case Material: Stainless Steel. Clasp Type: Fold Over Clasp with Safety. Bezel Function: Tachymeter. Crystal: Sapphire. Water Resistant Depth: 200 meters. Movement Type: Quartz. Model Number: CAH7011.BA0860 CAH7011.BA086 CAH7011.BA08 CAH7011.BA0 CAH7011BA0860.