Bounabay Men's Military Digital Sport Watch Water Resistant Outdoor LED Back Light Display 164FT waterproof: 164 FT (50 M) waterproof - 5ATM water resistant. NOTE: DO NOT press any button under water. Imported ABS,soft durable & comfortable PU, hardlex Acrylic crystal. Durable: It is made of shock resistant material and uses long-last battery. Suitable for social, outdoor sports casual, running, climbing, cycling and other activities. MULTI-FUNCTIONAL: Dual Timezone, Calendar Day and Date, Alarm, Water Resistant, LED Display, Back Light, Shock Resistant, Stop Watch. Band circumference:14-22cm Band width: 2.2cm Case diameter: 5cm Case thickness: 1.8cm Band Clasp Type: Buckle Case Material: Stainless Steel, PC (Poly-Carbonate) Band Material: PU (Polyurethane) Silicone Mirror Surface: High Hardness Resin Glass