Stainless steel case with a stainless steel bracelet. Uni-directional rotating stainless steel bezel. Blue dial with silver-tone hands and alternating Arabic numeral and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Tide indicator at the 4 o'clock position. Quartz movement. Scratch resistant mineral crystal. Solid case back. Case diameter: 51 mm. Round case shape. Band width: 25 mm. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: hour, minute, tide. Casual watch style. Nixon 51-30 Tide Blue Dial Stainless Steel Men's Watch A0571258.