Apple - Apple Watch 7 size 45, multiple colors (without SIM card)

The Retina display does not turn off, approximately 20% larger than the Series 6 display, allowing for easier viewing and use. The crystal interface is the most scratch-resistant in Apple Watch so far, and it features dust and water resistance rated at IP6X. Check blood oxygen levels with the help of a sensor and a powerful app. Get heart rate monitoring anytime and anywhere. Receive notifications of high and low heart rate and arrhythmia. Stay focused with the new mindfulness app, and achieve your sleep goals with the sleep app. Track new Tai Chi and Pilates exercises, in addition to your favorite running, yoga, swimming, and dancing workouts. Track your daily activity on Apple Watch and see performance levels on the Fitness app on iPhone. Sync your preferred music and podcasts. Make instant and secure payments from your wrist with Apple Pay. All-day battery life and faster charging. The watchOS 8 system offers new workout modes, the mindfulness app, the new Portrait interface, and enhancements to the Messages app.