An IP68-rated waterproof smartwatch with step counting, heart rate monitoring, a big dial, and sleep tracking offers the following features:

1. IP68 Waterproof

• IP68 rating makes the watch dust-tight and capable of withstanding continuous immersion in water beyond 1 meter, making it ideal for swimming, showering, and outdoor activities in all weather conditions.

2. Big Dial

• The large dial provides a spacious, high-resolution display, offering easy-to-read data and better navigation. It’s perfect for those who prefer larger, clearer visuals, whether for checking the time, health metrics, or notifications.
• The screen may be AMOLED or LCD with customizable watch faces and a durable scratch-resistant glass for longevity.

3. Step Counter

• A built-in accelerometer accurately tracks your steps, helping you monitor daily activity. It provides detailed data on distance traveled, calories burned, and can set goals or reminders to keep you moving.

4. Heart Rate Monitoring

• The watch features a continuous heart rate sensor, using optical technology to track your heart rate during workouts, rest, and throughout the day.
• It helps monitor cardiovascular health, exercise intensity, and recovery times. Some models may include additional health metrics like blood oxygen (SpO2) or ECG.

5. Sleep Tracking

• Sleep monitoring uses motion and heart rate data to analyze your sleep stages (light, deep, REM). It provides insights into sleep quality, helping you adjust routines for better rest.
• Some models include smart alarms to wake you during light sleep phases for a more natural wake-up.

This IP68 waterproof smartwatch combines rugged durability with essential health tracking, making it perfect for fitness enthusiasts and everyday use. The large display and comprehensive health features ensure ease of use and valuable insights into your well-being.