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 →Overdue for a refresh — no successor announced yet. Prices should be at their lowest
Best for: Trail runners, hikers, and outdoor athletes who want Polar's analytics with significantly longer battery life than the Vantage V3. The titanium case and sapphire glass make it suitable for technical terrain where watch durability matters.
Full details →| Polar Vantage V | Polar Grit X | |
|---|---|---|
| Tier | Sports GPS | Sports GPS |
| Platform | iOS & Android | iOS & Android |
| Battery | 8 days | 40 days |
| Always-on display | ✅ | ❌ |
| GPS | ✅ | ✅ |
| Cellular | ❌ | ❌ |
| Health sensors | ecg, hr, spo2, hrv, running power, skin temp | hr, spo2, hrv, running power |
| Released | Oct 4, 2023 | Mar 14, 2023 |
| Cycle length | 1063 days | 873 days |
| Cycle advice | bad | bad |
| Deals advice | good | good |
| Next model | Polar Vantage V4 (2026) | — |
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.
Five times the battery of the Vantage V3 — enough for week-long mountain stages or ultramarathons without charging access.
Automatically segments your run by uphill and downhill sections, calculating pace and power for each — essential for mountain race training.
Running power without a chest strap or foot pod — Polar's key differentiator versus Garmin at this price tier.