Vestal Unisex BRG013 "Brig Tide & Train" Surf Watch Square surf watch featuring tide tracking for over 200 beaches worldwide, digital tide graph, and custom training mode with "suffer and recover" interval timer 44 mm plastic case with plastic dial window Japanese quartz movement with digital display Polyurethane band with buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving Surf watch with tide tracking for over 200 beaches worldwide, digital tide graph, and custom training mode with "suffer and recover" interval timer 44 mm plastic case with plastic dial window Japanese quartz movement with digital display Smooth polyurethane band with OKTOLOCK system and buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving