Designed for active lifestyles, the Polar F11 combines sporty functionality with everyday wearability. This digital wristwatch features a 40mm round case and a comfortable rubber strap that fits up to a 7.5? wrist. With water resistance up to 50 meters and a built-in heart rate monitor, it?s ideal for workouts, outdoor adventures, or casual wear. Model: Polar F11 Case Size: 40mm Band: Rubber strap ? fits up to 7.5? wrist Display: Digital with heart rate monitor, date, alarm, and backlight Movement: Quartz ? new battery installed Water Resistance: 50 meters Condition: Pre-owned, fully functional A reliable fitness companion with a sleek design and practical features. Please review photos for condition and details. Ships securely and promptly.