Late in cycle — a new model is likely coming
Best for: Expedition athletes, mountaineers, and ultra-endurance competitors who do multi-day or multi-week events where charging is impossible. If you need GPS tracking for 140 continuous hours, no other watch comes close.
Full details →Late in cycle — a new model is likely coming
Best for: Serious endurance athletes — particularly runners and triathletes — who want Polar's unmatched training load science and recovery guidance, combined with ECG health monitoring and running power in a premium package.
Full details →| COROS Vertix | Polar Vantage V | |
|---|---|---|
| Tier | Sports GPS | Sports GPS |
| Platform | iOS & Android | iOS & Android |
| Battery | 140 days | 8 days |
| Always-on display | ❌ | ✅ |
| GPS | ✅ | ✅ |
| Cellular | ❌ | ❌ |
| Health sensors | hr, spo2, hrv, training load, skin temp | ecg, hr, spo2, hrv, running power, skin temp |
| Released | Oct 1, 2023 | Oct 4, 2023 |
| Cycle length | 1095 days | 1063 days |
| Cycle advice | bad | bad |
| Deals advice | good | good |
| Next model | COROS Vertix 3 (2026 or 2027) | Polar Vantage V4 (2026) |
No other GPS watch currently on the market delivers 140 hours of GPS tracking — enough for most ultra-endurance events and multi-day mountain traverses.
GPS + GLONASS + Galileo + BeiDou + QZSS with dual-frequency reduces error in challenging terrain to near-meter precision.
Military-grade scratch and impact resistance for the harshest environments: extreme altitude, cold, and sustained physical stress.
Polar Vantage V3 is one of the few sports GPS watches with on-demand ECG — usually only found on lifestyle smartwatches.
Running power measurement without a foot pod or chest strap — a significant training metric for pacing effort on hills and varied terrain.
The most detailed training load analysis in any sports watch: muscle groups targeted per session, recovery status per muscle, and long-term load trends.