Glass fibre reinforced polyamide case with a sandstone silicone strap. Fixed steel bezel. Digital dial. Dial Type: digital. Quartz movement. Scratch resistant mineral crystal. Solid case back. Round case shape, case size: 46 x 46 mm, case thickness: 15.7 mm. Buckle clasp. Water resistant at 50 meters / 165 feet. Functions: date, day, hour, minute, second, 24/7 tracking of your daily steps, calories and sleep, heart rate zones, customizable watch faces, incoming calls, text and calendar notifications, weather, customizable sport modes, gps tracking and navigation, alarm. Additional Info: bluetooth-connected, altimeter, interval guidance during training. Suunto Spartan Trainer Wrist HR Sandstone Mens Sports Watch SS023409000.