Suunto Core 2: specs, who it fits and compatible phones
Suunto Core 2 is a sport watch released in 2026 that works with iPhone and Android. It lists None, 10ATM and Gorilla Glass.
Specifications
| Release year | 2026 |
|---|---|
| Case size | 49 mm |
| Water rating | 10ATM |
| Glass | Gorilla Glass |
| GPS type | None |
| Operating system | Suunto firmware |
| Works with | iPhone and Android |
| Connection | No cellular connection |
| Plan needed | None |
Who it fits
- Works with iPhone and Android.
- Lists an exact water rating of 5ATM or higher.
How it compares
Closest models from Suunto
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Suunto Run 2 | 2026 | 46 mm | Up to 10 days | 5ATM | Dual-band GNSS + maps | iOS and Android |
| Suunto Vertical 2 | 2025 | 49 mm | Up to 20 days · 65 GPS hours dual-band | 10ATM | Dual-band GNSS + maps | iOS and Android |
| Suunto Race 2 | 2025 | 46 / 49 mm | 16 days · up to 55 GPS hours (approx.) | 10ATM | Dual-band GNSS + maps | iOS and Android |
Closest models from other brands
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Amazfit T-Rex Ultra 2 | 2026 | 48 mm | Up to 30 days · 50+ GPS hours | 10ATM | Dual-band GNSS + maps | iOS and Android |
| Garmin Enduro 4 | 2026 | 51 mm | Up to 90 days (solar) · up to 320 GPS hours (solar) | 10ATM | Multi-system GNSS (approx.) | iOS and Android |
| Garmin tactix 8 Cerakote Edition | 2026 | 51 mm | Up to 29 days | 10ATM | Dual-band GNSS + maps | iOS and Android |
Compared with Suunto Run 2, Suunto Core 2 lists a higher ATM rating (10 against 5) and a larger case (49 mm against 46 mm).
Compared with Suunto Vertical 2, Suunto Core 2 lists a newer release year (2026 against 2025) and Gorilla Glass glass, where Suunto Vertical 2 lists Sapphire.
Compared with Suunto Race 2, Suunto Core 2 lists a newer release year (2026 against 2025) and Gorilla Glass glass, where Suunto Race 2 lists Sapphire.
Compared with Amazfit T-Rex Ultra 2, Suunto Core 2 lists Gorilla Glass glass, where Amazfit T-Rex Ultra 2 lists Sapphire.
Compared with Garmin Enduro 4, Suunto Core 2 lists Gorilla Glass glass, where Garmin Enduro 4 lists Sapphire.
Compared with Garmin tactix 8 Cerakote Edition, Suunto Core 2 lists Gorilla Glass glass, where Garmin tactix 8 Cerakote Edition lists Sapphire.
Only values listed exactly are compared.
Position in the catalog
Its case size of 49 mm is larger than 67% of 36 sport watches with a single exact size. Its exact water rating of 10ATM is above 38% of 55 sport watches with a single exact ATM rating. It was released in 2026. Among 60 sport watches with an exact release year, 100% were released in 2026 or earlier and 40% were released in 2026 or later.
Phone compatibility and plan
No plan is listed as needed.
Related guides and lists
- Battery life explained
- Phone compatibility
- Water resistance ratings
- Sensors explained
- Suunto smartwatches
- All models
Last verified September 26, 2026
Features change with updates. Check the maker's current details. See our methodology