With an evocative and slim design, the tissot prx watch is an uncompromising essential for design enthusiasts. The 40mm brushed stainless steel tonneau-shaped case features a white dial, date display and scratch-resistant sapphire crystal the fully luminous dial glows in the dark swiss quartz movement with battery end-of-life indicator an interchangeable textured white rubber strap secures with a buckle clasp water-resistant to 100 meters