The Garmin epix Pro (Gen 2) Sapphire GPS watch helps you conquer every hour of every day with advanced features, location accuracy and weeks of battery life in smartwatch mode.

Bright, always-on AMOLED display with a scratch-resistant sapphire lens and a steel or titanium bezel
Updated with a hill score feature that measures your running strength and endurance during ascents and gauges your progress over time
Updated with an endurance score feature that combines training data from all your athletic pursuits to help you understand how training impacts your overall endurance
Morning report and training readiness features synthesize important health and training data for easier interpretation and analysis
Wrist-based running power, strength training features and advanced pacing modes gauge your output on race day to help you focus your training
24/7 monitoring features such as advanced sleep tracking, HRV status and Pulse Ox give you a more complete picture of your overall health, wellness, training and recovery
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
42 mm size is designed for smaller wrists
Advanced navigation sensors combined with multiband reception technology deliver more accurate positioning
Multi-GNSS with SatIQ™ technology improves coverage in challenging environments while optimizing battery life
Navigate with preloaded TopoActive maps and ski resort maps; download even more regions for global adventures
Up Ahead navigation prompts make sure you never miss a turn
Built-in LED flashlight with variable intensities and strobe modes improves your awareness when training at night and provides convenient illumination when you need it
Features more activity profiles than previous versions to track your favorite sports—including soccer, football, baseball, volleyball, ice hockey and racquet sports
Keeps you connected with smart notifications, music storage and more when used with a compatible smartphone device (not included)
Battery life varies by watch size

Detailed Battery Life specs
42 mm version:

GPS only: up to 28 hrs. (20 hrs. always-on)
Max Battery GPS: up to 49 hrs.
Expedition GPS: up to 9 days
All satellite systems: up to 21 hrs. (16 hrs. always-on)
All satellite systems + multi-band: up to 13 hrs. (10 hrs. always-on)
All satellite systems + music: up to 6 hrs.
Smartwatch mode: up to 10 days (4 days always-on)
Battery Save watch mode: up to 14 days

47 mm version:

GPS only: up to 42 hrs. (30 hrs. always-on)
Max Battery GPS: up to 75 hrs.
Expedition GPS: up to 14 days
All satellite systems: up to 32 hrs. (24 hrs. always-on)
All satellite systems + multi-band: up to 20 hrs. (15 hrs. always-on)
All satellite systems + music: up to 10 hrs.
Smartwatch mode: up to 16 days (6 days always-on)
Battery Saver watch mode: up to 21 days

51 mm version:

GPS only: up to 82 hrs. (58 hrs. always-on)
Max Battery GPS: up to 145 hrs.
Expedition GPS: up to 27 days
All satellite systems: up to 62 hrs. (48 hrs. always-on)
All satellite systems + multi-band: up to 38 hrs. (30 hrs. always-on)
All satellite systems + music: up to 17 hrs.
Smartwatch mode: up to 31 days (11 days always-on)
Battery Saver watch mode: up to 41 days

Best Use	Multisport
Average Battery Life	47 MM: Smartwatch mode: up to 16 days; GPS only: up to 42 hrs. 51 MM: Smartwatch mode: up to 31 days; GPS only: up to 82 hrs. 42 MM: Smartwatch mode: up to 10 days; GPS only: up to 28 hrs.
Battery Type	Lithium Ion
Display Size	47 MM: 1.3 inches 51 MM: 1.4 inches 42 MM: 1.2 inches
Illumination	Backlight
Altimeter	Pressure-based
Compass	Yes
GPS/Satellite Detectable	Yes
HRM Included/Integrated	Yes
Heart Rate Sensor Type	Wrist-based
Average Heart Rate	Yes
Pulse Oximeter	Yes
Heart Rate Target Zone(s)	Yes
VO2 Max Estimate	Yes
Recovery Advising	Yes
Tracks Steps	Yes
Pedometer Type	Digital 3-axis Accelerometer
Pace Alert	Yes
Interval Training	Yes
Tracks Calories Burned	Yes
Water-Resistant Depth	100 meters
Pool Lap Recognition	Yes
Stroke Recognition	Yes
Sleep Tracking	Yes
Alarm	Yes
Time Display	Yes

Garmin - epix Pro (Gen 2)