| Physical dimensions | 2.0” x 2.0” x 0.6” (51.5 x 51.5 x 16.0 mm) |
| Display size, WxH | 1.2” (30.4 mm) diameter |
| Display resolution, WxH | 218 x 218 pixels; transflective MIP color; sapphire lens |
| Color display | |
| Negative mode display | |
| Weight | Titanium, titanium band: 4.8 oz (134.8 g); Titanium, silicone band: 2.8 oz (78.2 g) Gray, leather strap: 3.0 oz (84.9 g) Black, nylon strap: 2.8 oz (79.6 g) Others: with all links, 6.56 oz (186 g); With rubber bands: 3.0 oz (85 g) |
| Battery | Rechargeable 300mAh lithium-ion |
| Battery life | Up to 50 hours in UltraTrac mode; up to 20 hours in GPS training mode; up to 6 weeks in watch mode |
| Water rating | 10 ATM |
| GPS-enabled | |
| GLONASS | |
| High-sensitivity receiver | |
| Barometric altimeter | |
| Electronic compass | |
| Smart notifications (displays email, text and other alerts when paired with your compatible phone) | |
| Vibration alert | |
| Music control | |
| Find my phone | |
| VIRB® control | |
| Watch functions | Time of day (12/24h), calendar (day/date), daily alarm, stop watch, timer, sunrise/sunset alerts |
| Built-in memory | 32 MB; available 23 MB |
| Waypoints/favorites/locations | 1,000 |
| Routes | 30 |
| Virtual Pacer™ (compares current pace to target) | |
| V02 max estimate | |
| Recovery advisor | |
| Race predictor | |
| Running dynamics | |
| Accelerometer (calculates distance for indoor workouts, without need for a foot pod) | |
| Personal records |
| Compatible with Vector™ | |
| Multiple bike profiles | |
| Bike speed/cadence sensor | (optional) |
| Heart rate monitor | (Some versions) |
| Virtual Partner® (train against a digital person) | |
| Virtual Racer™ (compete against other activities) | |
| Auto Pause® (pauses and resumes timer based on speed) | |
| Multi-sport (changes sport mode with a press of a button) | |
| Auto multisport (switch sport modes with 1 button press) | |
| Advanced workouts (create custom, goal-oriented workouts) | |
| Pace alert (triggers alarm if you vary from preset pace) | |
| Interval training (set up exercise and rest intervals) | |
| Heart rate-based calorie computation | |
| Calculates calories burned | |
| Training Effect (measures impact of an activity on your aerobic fitness) |
| Pool swim metrics (lengths, distance, pace, stroke count/rate, calories) | |
| Stroke type identification (e.g. freestyle) | |
| Open water swim metrics (distance, pace, stroke count/rate, calories) | |
| Swim workouts |
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | |
| Yardage to F/M/B (distance to front, middle and back of green) | |
