Swiss Alpine Military Sierra Chronograph pairs a stainless steel case with a blue dial and silicone strap for a dependable everyday chronograph. It features quartz accuracy, a date display and 10 ATM water resistance for daily wear. Key attributes: Black | Blue | Stainless steel | 10 ATM water resistance | Quartz (battery) movement | Chronograph | Date display | Hours, minutes, seconds | Pin buckle closure | Blue dial | Silicone strap | Hardened mineral glass | Dimensions & fit: Case width: 43 mm | Case thickness: 11 mm | Max wrist circumference: 220 mm | Weight: 100 g | Composition & care: Stainless steel | Silicone | Hardened mineral glass