Louis Erard Men's '1931' Automatic Stainless Steel and Rubber Casual Watch, Color:Black (Model: 30208AA01.BDE10) Mechanical hand-winding Movement ETA Peseux 7001 Antireflective sapphire crystal; Exhibition window Silver dial with sub-second Luminous hands and hour markers; Black rubber strap Water resistant to 165 feet (50 M): suitable for swimming and showering