Armitron Men's 20/4768TITI Automatic Black Ion-Plated Silver-Tone Accented Bracelet Dress Watch With its inner workings on display and a rugged, stylish case out front, this Armitron timepiece makes the most of its exhibition window within a black ion-plated, 43.5mm stainless black ion-plated case. Automatic movement: self winds with the movement of your arm, no battery needed Engraved unidirectional bezel with a luminous dot at the 12 marker and Arabic numerals Black dial frame with silver-tone Arabic numerals 12 and 6 and triangle markers at all other hours Water resistant to 165 feet (50 M): suitable for swimming and showering