# ... — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

What is the lightest and most portable smartwatch with heart rate monitor?

## 产品列表

### Fitbit Charge 6 Tracker (GA05183-NA)
```yaml
product: fitbit-charge-6-tracker-ga05183-na
brand: Fitbit
price_gbp: 73.75
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
battery_life: 7-day
compatibility: Works with Android and iOS
water_resistance: 50m
```

- **价格:** £73.75 [^1]
- **概述:** Fitbit Charge 6 is a fitness tracker with heart rate tracking, built-in GPS for pace and distance, and a color touchscreen. It's water resistant up to 50m and is designed to pair with compatible exercise machines to display real-time heart rate. It also supports features like Google Maps and Google Wallet when used with a compatible phone.
- **最适合:** 如果您想要一款最轻便的可携带设备，同时具备心率监测和内置 GPS，Charge 6 很适合您。它配备心率传感器和内置 GPS，无需手机即可进行跑步，并且电池续航时间最长可达 7天。
- **附加来源:** [^2], [^3]

### Withings ScanWatch Light 37mm
```yaml
product: withings-scanwatch-light-37mm
brand: Withings
price_gbp: 154.92
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
screen_size: 0.63 in
battery_life: Up to 35 days
gps_accuracy: Good
compatibility: iOS 18 and higher, Android 12 and higher
water_resistance: 5 ATM
```

- **价格:** £154.92 [^4]
- **概述:** The Withings ScanWatch Light 37mm is a lightweight hybrid smartwatch with an analog watch face, discreet OLED display, continuous heart rate tracking, sleep tracking, activity tracking, and connected GPS. Its long battery life and compact design suit users who want essential health features without daily charging.
- **最适合:** 它适合希望拥有最轻便、最易携带且支持心率监测的智能手表的人群，因为其 37mm 表壳重量仅为 27.1g，可持续跟踪心率，单次充电续航最长可达 35天。
- **附加来源:** [^5]

### Amazfit Active 2 Round Premium
```yaml
product: amazfit-active-2-round-premium
brand: Amazfit
price_gbp: 95.92
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
screen_size: 1.32 in
battery_life: Up to 10 days typical use
compatibility: Zepp OS
water_resistance: 5 ATM
heart_rate_accuracy: Enhanced precision with PulsePrecision algorithm
```

- **价格:** £95.92 [^6]
- **概述:** The Amazfit Active 2 Round Premium is a lightweight stainless-steel smartwatch with a sapphire-glass AMOLED display, heart-rate monitoring, offline maps, and more than 160 workout modes. Its 10-day battery and 5 ATM water resistance make it suitable for everyday health tracking and fitness activities.
- **最适合:** 不含表带时重量为 31.65 g，是一款非常轻便易携的智能手表，支持连续心率监测、内置 GPS，以及最长 10 天的典型使用续航时间。

### Garmin vívoactive 5
```yaml
product: garmin-v-voactive-5
brand: Garmin
price_gbp: 140.19
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
screen_size: 30.4 mm
battery_life: Up to 11 days in smartwatch mode
gps_accuracy: Reasonably accurate without multiband GPS
compatibility: iPhone and Android devices
water_resistance: 5 ATM
heart_rate_accuracy: Accurate during workouts with occasional minor errors
```

- **价格:** £140.19 [^7]
- **概述:** The Garmin vívoactive 5 is a lightweight GPS smartwatch with a bright AMOLED display, wrist-based heart-rate monitoring, sleep coaching, Body Battery, and more than 30 sports apps. Its long battery life and swim-rated water resistance suit everyday fitness tracking, travel, and recreational exercise.
- **最适合:** vívoactive 5 重量为 36 g，配备 30.4 mm 显示屏、基于手腕的心率监测器，并拥有最长 11 days 的电池续航；对于希望拥有一款轻量级、具备心率监测功能且便于携带的智能手表的人来说，它是一个非常合适的选择。
- **附加来源:** [^8]

### Apple Apple Watch SE 3 40mm Aluminum Case
```yaml
product: apple-apple-watch-se-3-40mm-aluminum-case
brand: Apple
price_gbp: 183.74
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
screen_size: 40mm
battery_life: Up to 18 hours
compatibility: iPhone 11 or later, including iPhone SE 2nd generation or later, with iOS 26 or later
water_resistance: 50m
```

- **价格:** £183.74 [^9]
- **概述:** The Apple Watch SE 3 40mm Aluminum Case is a lightweight smartwatch with an Always-On Retina display, heart-rate monitoring, built-in GPS, sleep tracking, fall detection, and crash detection. It suits iPhone users who want a compact everyday fitness and health smartwatch with swim-ready water resistance and all-day battery life.
- **最适合:** GPS 型号重量为 26.3g，尺寸为 40mm，是一款便于携带的智能手表，配备第二代光学心率传感器，可持续监测心率。
- **附加来源:** [^10]

---
## 参考来源
[^1]: Google Store, 访问日期 2026-09-13. https://store.google.com/product/fitbit_charge_6?hl=en-US
[^2]: Best Buy, 访问日期 2026-09-13. https://www.bestbuy.com/product/google-fitbit-charge-6-advanced-fitness-health-tracker-works-with-android-and-ios-obsidian-2023/J39TC3VHT6
[^3]: ABT, 访问日期 2026-09-13. https://www.abt.com/Fitbit-Charge-6-Fitness-Tracker-in-Obsidian-Black-Aluminum-Finish-GA05183NA/p/199412.html
[^4]: Withings, 访问日期 2026-09-13. https://www.withings.com/en-us/products/scanwatch-light-37w
[^5]: Best Buy, 访问日期 2026-09-13. https://www.bestbuy.com/product/withings-scanwatch-light-daily-health-hybrid-smartwatch-37mm-black-silver/JV8GPVRLYT
[^6]: Amazfit, 访问日期 2026-09-13. https://us.amazfit.com/products/active-2-round
[^7]: Amazon, 访问日期 2026-09-13. https://www.amazon.com/dp/B0CG6NR413
[^8]: Best Buy, 访问日期 2026-09-13. https://www.bestbuy.com/product/garmin-vivoactive-5-gps-smartwatch-42-mm-fiber-reinforced-polymer-slate-aluminum-and-black-2023/JXF9YF4K4C
[^9]: Apple, 访问日期 2026-09-13. https://www.apple.com/shop/buy-watch/apple-watch-se
[^10]: Best Buy, 访问日期 2026-09-13. https://www.bestbuy.com/product/apple-watch-se-3-gps-40mm-starlight-aluminum-case-with-starlight-sport-band-s-m-starlight-2025/JJGCQGVWYX