Physical & Performance
	
		
			
Display size
			
1.2” (30.4 mm) diameter
		
		
			
Display resolution
			
240 x 240 pixels
		
		
			
GPS
			
Yes
		
		
			
Weight
			
			
silicone band: 85 g
			metal band: 156 g
			
		
		
			
Display type
			
sunlight-visible, transflective memory-in-pixel (MIP)
		
		
			
Battery life
			
Smartwatch mode: Up to 2 weeks
			GPS/HR mode: Up to 24 hours
			UltraTrac™ mode: Up to 60 hours without wrist heart rate
		
	
Maps & Navigation
	
		
			
Memory/History
			
64 MB
		
	
Features
	
		
			
3-axis compass with HSI (horizontal situation indicator)
			
No
		
		
			
Touch and/or button lock
			
Yes
		
		
			
GPS coordinates
			
Yes
		
		
			
Audio prompts
			
Yes
		
		
			
Sleep monitoring (monitors total sleep and periods of movement or restful sleep)
			
Yes
		
		
			
Auto CourseView updates
			
No
		
		
			
Downloadable training plans
			
Yes
		
		
			
Measures shot distance (calculates exact yardage for shots from anywhere on course)
			
Automatic
		
		
			
Heart rate (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim)
			
yes (with HRM-Tri™ and HRM-Swim™)
		
		
			
Compatible with Varia™ radar (rear-facing radar)
			
Yes