Maurice Lacroix Men's Swiss Automatic Stainless Steel and Leather Casual Watch, Color:Black (Model: MP6358-SS001-31E) Quality 25-jewel Swiss-Automatic movement; Functions without a battery; Powers automatically with the movement of your arm Scratch-resistant sapphire crystal; Brushed and polished stainless steel case; Black crocodile strap Day, date, month and moon phase function Black dial with silver-tone hands, roman numerals and hour markers; Luminous; Exhibition case back Water resistant to 165 feet (50 M): suitable for swimming and showering