Amazon has 51mm Garmin epix Pro Gen 2 Sapphire Edition Smartwatch (010-02804-00) on sale for $664.99. Shipping is free.

Thanks to Deal Hunter phoinix for finding this deal.

Note: Earn 10% back on this item when you pay with your Prime Visa (more information).

Features:

• Ultimate high-performance smartwatch features a large 1.4″ always-on, stunning AMOLED display and a scratch-resistant sapphire lens with a titanium bezel designed for larger wrists
• Built-in LED flashlight with variable intensities and strobe modes gives you greater awareness while you train at night and provides convenient illumination when you need it
• New hill score feature measures your running strength and endurance during ascents and gauges your progress over time
• New endurance score feature combines training data from all your athletic pursuits to help you understand how training impacts your overall endurance
• Gain a more complete picture of your overall health, training and recovery with 24/7 health and wellness monitoring features such as HRV status and Pulse Ox; prioritize your rest and recovery with advanced sleep monitoring (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries)
• Morning report and training readiness features combine important health and training data for easier interpretation and analysis
• Focus your training with wrist-based running power, strength training features and advanced pacing modes to gauge your output on race day