Garmin Forerunner 165: specs, who it fits and compatible phones
Garmin Forerunner 165 is a sport watch released in 2024 that works with iPhone and Android. It lists Standard GPS, 5ATM and Garmin Pay.
Specifications
| Release year | 2024 |
|---|---|
| Dimensions | 43×43×11.6 mm |
| Display | AMOLED |
| Battery as listed | Up to 11 days · 19 GPS hours |
| Water rating | 5ATM |
| Glass | Chemically strengthened glass |
| Case material | Fiber-reinforced polymer |
| GPS type | Standard GPS |
| Operating system | Garmin OS |
| Works with | iPhone and Android |
| Connection | None |
| Contactless wallet | Garmin Pay |
| Plan needed | None |
| Health sensors | SpO2, HRV, Readiness score |
| Safety features | SOS |
Who it fits
- Works with iPhone and Android.
- Lists SOS or fall detection, see our guide for older adults.
- Lists an exact water rating of 5ATM or higher.
How it compares
Closest models from Garmin
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Garmin Instinct E 45mm | 2025 | - | Up to 16 days · 24 GPS hours | 10ATM | Standard GPS | iOS and Android |
| Garmin Enduro 3 | 2024 | 51 mm | Up to 90 days (solar) · 320 GPS hours | 10ATM | Dual-band GNSS + maps | iOS and Android |
| Garmin Forerunner 570 | 2025 | 42 / 47 mm | Up to 10 days (47 mm) | 5ATM | Dual-band GNSS | iOS and Android |
Closest models from other brands
| Model | Release year | Case size | Battery as listed | Water rating | GPS type | Works with |
|---|---|---|---|---|---|---|
| Blackview W80 Pro | 2024 | 48 mm (approx.) | 900mAh · over 15 days · 60 standby | IP68 (approx.) | Standard GPS | iOS and Android |
| Amazfit T-Rex 3 | 2024 | 48.5 mm | Up to 27 days in regular mode · up to 40 days in saver mode | 10ATM | Dual-band GNSS + maps | iOS and Android |
| COROS PACE Pro | 2024 | 46 mm | Up to 20 days · 38 GPS hours | 5ATM | Dual-band GNSS + maps | iOS and Android |
Compared with Garmin Instinct E 45mm, Garmin Forerunner 165 lists a lower ATM rating (5 against 10), an older release year (2024 against 2025) and a contactless wallet (Garmin Pay), which Garmin Instinct E 45mm does not list.
Compared with Garmin Enduro 3, Garmin Forerunner 165 lists single-band GPS, where Garmin Enduro 3 lists dual-band, a lower ATM rating (5 against 10) and Fiber-reinforced polymer case material, where Garmin Enduro 3 lists Titanium.
Compared with Garmin Forerunner 570, Garmin Forerunner 165 lists single-band GPS, where Garmin Forerunner 570 lists dual-band, an older release year (2024 against 2025) and Fiber-reinforced polymer case material, where Garmin Forerunner 570 lists Polymer/aluminum.
Compared with Blackview W80 Pro, Garmin Forerunner 165 lists a contactless wallet (Garmin Pay), which Blackview W80 Pro does not list.
Compared with Amazfit T-Rex 3, Garmin Forerunner 165 lists single-band GPS, where Amazfit T-Rex 3 lists dual-band, a lower ATM rating (5 against 10) and Fiber-reinforced polymer case material, where Amazfit T-Rex 3 lists Stainless bezel, polymer frame.
Compared with COROS PACE Pro, Garmin Forerunner 165 lists single-band GPS, where COROS PACE Pro lists dual-band and a contactless wallet (Garmin Pay), which COROS PACE Pro does not list.
Only values listed exactly are compared.
Phone compatibility and plan
No plan is listed as needed.
Sensors and features are listed as the maker names them and are not medical measurements.
Related guides and lists
- Battery life explained
- Phone compatibility
- Water resistance ratings
- Sensors explained
- Garmin smartwatches
- All models
Last verified September 26, 2026
Features change with updates. Check the maker's current details. See our methodology