This massive 48 5mm Expedition Digital Compass is built for serious exploration featuring a rugged black case and strap and a digital display The specialized quartz digital movement includes a digital compass temperature sensor and Indiglo backlight making it a true utility instrument Its large size and shock-resistant design ensure maximum durability and visibility in extreme environments This is a professional-grade outdoor tool watch Case Material- Carbon Coated Stainless Steel (Rugged Black) Case Diameter- 48 5 mm (Massive Size) Band Material- Silicone/Rubber Band Color- Black Dial- Black and Green Multi-functional Digital Display Movement- Specialized Quartz Digital Clasp- Buckle Water Resistance- 200 meters (Suitable for recreational scuba diving) Digital Compass Temperature Sensor Indiglo Backlight Date Chronograph Alarm Shock-Resistant Design Professional-Grade Outdoor Tool Watch