Raymond Weil Men's Swiss Automatic Stainless Steel Casual Watch(Model: 2720-ST-05207) Precise 25 jewel automatic 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 and bracelet Day and date function Black textured dial with silver-tone hands, hour markers and arabic numerals; Exhibition case back Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving