# What are the smallest swimming fitness trackers with good durability? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the smallest swimming fitness trackers with good durability?

## Products

### Samsung Galaxy Watch7 40mm
```yaml
product: samsung-galaxy-watch7-40mm
brand: Samsung
price_gbp: 140.55
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
water_resistance: 5ATM + IP68 / MIL-STD-810H
heart_rate_monitor: Optical Heart Rate Sensor
```

- **Price:** £140.55 [^1]
- **Summary:** The Samsung Galaxy Watch7 40mm is a compact smartwatch with heart-rate monitoring, GPS, sleep tracking, workout tracking, and a durable 5ATM, IP68-rated design. It suits users who want a small Android-compatible fitness smartwatch for everyday health monitoring and exercise.
- **Ideal For:** It suits swimmers seeking a small, durable tracker because its 40mm case has 5ATM water resistance plus IP68 and includes an optical heart-rate sensor for fitness monitoring.

---
## References & Sources
[^1]: Best Buy, accessed 2026-09-04. https://www.bestbuy.com/product/samsung-galaxy-watch7-aluminum-smartwatch-40mm-bt-cream-2024/J3ZYG2KQ89