[YMMV, AC] $639.20: Apple Watch Ultra 3 [GPS + Cellular 49mm] Running & Multisport Smartwatch at Amazon

Apple Watch Ultra 3: Conquer Any ChallengeEmbrace the ultimate companion for your active lifestyle with the Apple Watch Ultra 3. Engineered for exploration, endurance, and pushing your limits.Key Features for the Modern Adventurer:

• Advanced GPS: Unrivaled precision for tracking your runs, hikes, and dives.
• Cellular Connectivity: Stay connected, even when you’re off the grid. Make calls, send texts, and stream music without your phone.
• Durable Design: Built to withstand the elements, from mountain peaks to ocean depths.
• Comprehensive Health Monitoring: Track your heart rate, sleep patterns, and more to optimize your well-being.
• Multisport Functionality: Seamlessly transition between activities with dedicated modes for running, swimming, cycling, and beyond.